Affiliated Companies

 

Fine Chemicals Business

 

SPERA PHARMA, Inc.

SPERA PHARMA, Inc.

SPERA PHARMA is one of the leading integrated CMC R&D contractors in Japan, providing high-level CMC solutions at every stage from R&D to commercialization.
According to customers’ needs, SPERA PHARMA flexibly provides a wide range of services, including process development and manufacturing of drug substances, drug development and manufacturing of investigational drugs, and development of various analytical methods and quality testing.
These services are delivered based on the advanced technological skills, drug development know-how, and rich experience and achievements of SPERA PHARMA’s researchers and technicians who have experience working for major pharmaceutical companies.

(CMC: Chemistry, Manufacturing and Control)

Corporate Profile

Company name SPERA PHARMA, Inc.
Business field Pharmaceuticals Contract R&D and Manufacturing
Head Office 17-85 Jusohonmachi 2-chome, Yodogawa-ku, Osaka 532-0024MAP
Close
 

SPERA NEXUS, Inc.

SPERA NEXUS, Inc.

As a company with a procurement platform that broadly covers the upstream needs of the pharmaceutical industry, SPERA NEXUS manufactures generic drug substances as in-house products, as well as APIs and intermediates for new drugs, developed products, and chemical products on contract. Its GMP-compliant facilities with a production capacity of 10 to 10,000 L turn out high-quality, cost-effective products.
In addition to our own products, SPERA NEXUS offers a wide range of other products made in and outside of Japan; including APIs, raw materials, intermediates, and additives; to our customers.

Corporate Profile

Company name SPERA NEXUS, Inc.
Business field Manufacture and sale of active pharmaceutical ingredients, etc.
Head Office 18-2, Nihonbashi Honcho 4-chome, Chuo-ku, Tokyo 103-0023MAP
Close
 

JITSUBO Co., Ltd.


Since its establishment in 2005, JITSUBO Co., Ltd., as an R&D enterprise specializing in peptide pharmaceuticals, has engaged in the research and development of its original peptide synthesis technology,Molecular HivingTM.
 In addition to being a low-cost, high-quality solution, this technology features green chemistry design—a sustainability factor recently gaining momentum in Europe—and is seeing increasing adoption in the manufacturing of a broad range of peptide APIs, including everything from cosmetic products to active drug ingredients. 
With years of experience and an outstanding research team, JITSUBO develops manufacturing processes for the target peptides at customers’ requests. For commercialization, JITSUBO delivers requested peptide APIs through collaborative efforts with Switzerland’s Bachem, a world’s leading peptide API manufacturing CMO who JITSUBO has an exclusive technical cooperation partnership with.
In the field of middle-molecule pharmaceuticals, which is expected to grow in the future, JITSUBO will continue to provide environmentally-friendly processes and high-quality, low-cost peptide drug substances based on Molecular HivingTM.

 

Corporate Profile

Company name Jitsubo CO., LTD.
Business field Development of peptide manufacturing process, Molecular Hiving ™
Contract manufacturing of APIs and Licensing
Head Office Life Science Research Center 4-1 1-1-43 Suehiro-cho, Tsurumi, Yokohama, Kanagawa-pref. 230-0045MAP
Main products Linear Peptides
Cyclic Peptides
Close
 

Medical Business

 

IWAKI SEIYAKU CO., LTD.

IWAKI SEIYAKU Co., Ltd

Since its establishment in 1931, IWAKI SEIYAKU has been manufacturing and marketing mainly ethical drugs and OTC drugs. The company has the largest selection of skin treatment products in Japan and has a high market share.
It offers a broad range of contract services from preparation design to commercial production, and utilizing the advantages of the R&D and manufacturing divisions within the Kamata Plant, can provide integrated and consistent contract services ranging from R&D to manufacturing.
In the beauty treatment field, we develop doctor’s cosmetics based on cosmetic skin medicine.

Corporate Profile

Company name IWAKI SEIYAKU CO., LTD.
Business field Manufacturing and selling of ethical drugs, OTC drugs
Head Office 8-2, Nihonbashi Honcho 4-chome, Chuo-ku, Tokyo
Branch office of Head Office 19-8 Nihonbashi Koamicho, Chuo-ku, Tokyo 103-0016 MAP
Telephone +81-3-3668-1570
Main products
  • Ethical drugs: Dermatologic agents, disinfectants, laxatives, and anti-allergic drugs
  • Over-the-counter drugs: Vitamin C preparations, mouthwash, external preparations, sleep aids, etc.
Close
 

IWAKI SEIYAKU SAKURA FACTORY CO., LTD.

IWAKI SEIYAKU SAKURA FACTROY

IWAKI SEIYAKU SAKURA FACTORY is a contract pharmaceutical manufacturing company that was established in Sakura, Chiba Prefecture in July 2020.
Sakura is historically known for Dutch Western studies alongside Nagasaki, its western Japan counterpart.
Available dosage forms include injectable, solid, topical formulations, and liquid dosage forms.
The factory has the production capacity and techniques for contract manufacturing for both investigational drugs and commercial production.
The factory is also equipped with a number of analytical instruments, which enables IWAKI SEIYAKU SAKURA FACTORY to serve customers’ various analytical needs.
As a major pharmaceutical manufacturing plant within the Group, IWAKI SEIYAKU SAKURA FACTORY will continue to improve its facilities, technologies, and quality.

Corporate Profile

Company name IWAKI SEIYAKU SAKURA FACTORY CO., LTD.
Business field Manufacturing and selling of ethical drugs, OTC drugs
Head Office 2183-1, Teranosaku Oota, Sakura-shi, Chiba 285-0808MAP
Telephone +81-43-485-7111
Main products
  • Ethical Drugs, allergen preparations and test agents
Close
 

Health & Beauty Care, Food Business

 

IWAKI & CO., LTD.

APROS Co., Ltd.

IWAKI & CO., LTD. is the core company of the Astena Group and has two main functions: A B2B business; which sells OTC drugs, functional foods, imported cosmetics, food ingredients, functional food ingredients, and cosmetic ingredients, and OEM contract manufacturing, etc.; and a direct marketing business, which plans and sells mail-order cosmetics and engages in EC for various in-house products.

Through these two businesses, IWAKI will further refine its wholesale and trading company functions while continuing to explore for new value that it can offer to customers with the aim to provide “solutions to their problems” rather than “things.”Through this approach, IWAKI provides products and services that contribute to the “Health & Beauty Care (Health, beauty, and food)” of customers.

Corporate Profile

Company name IWAKI & CO., LTD
Business field Sale of food ingredients and cosmetic raw materials, etc.
Head Office 8-2, Nihonbashi Honcho 4-chome, Chuo-ku, Tokyo 103-0023MAP
Telephone +81-3-6732-6421
Close
 

APROS Co., Ltd.

APROS Co., Ltd.

Founded in 2002 in Nihonbashi, Tokyo as the IWAKI Group’s mail-order cosmetics sales company, APROS sells Silky Cover Oil Block, currently Japan’s most popular makeup base, among its 26 skin care products and over 20 items of makeup products under its in-house brand “cellfuture” through mass media such as TV, the Web, magazines, and newspapers.

As stated in its corporate philosophy, APROS is committed to providing truly good products to people around the world, offering dreams, excitement, and happiness with a new set of values that have never been seen before, and to helping create a society filled with joy.

Corporate Profile

Company name APROS Co., Ltd.
Business field Manufacture, import, and mail-order sales of cosmetics and manufacture and mail-order sales of health food
Head Office 16-1 Ginza 1-Chome, Chuo-ku, Tokyo 104-0061MAP
Telephone +81-3-6740-4871
Main products Skin-care cosmetics
"Cell Future" series
"Health Food" Collagen
Close
 

Maruman H&B Co., Ltd.

MarumanoH&B Co., Ltd.

Maruman H&B Co., Ltd. is developing commodities such as health foods, including Placenta and Propolis, household goods, including quit-smoking products and sonic vibration toothbrushes, and its original cosmetics brand Pureal (Puréa). These products are developed based on the concept of “creating reliable, high-quality products” to realize healthy and comfortable lives for people.
Maruman H&B will continue to respond to the needs of the super-aging society and aims to be a company that continues to grow by accommodating the lifestyles of more people around the world.

Corporate Profile

Company name MarumanoH&B Co., Ltd.
Business field Manufacture and sale of health foods, paipo, household goods, cosmetics
Head Office 2-12, Kandatsukasa-machi 2-chome, Chiyoda-ku, Tokyo 101-0048MAP
Telephone +81-3-3526-9980
Main products Health food (placenta, propolis) Cosmetics ("Pureal" series, Korean cosmetics "MEDIHEAL" "JAYJUN" "LUTHION", etc.) Miscellaneous goods (non-smoking paipo, sonic vibration toothbrush)
Close
 

Bohen-Kasei Co., Ltd. (Equity method affiliate)

Bohen-Kasei manufactures and sells a wide range of natural food ingredients, from chicken, beef, pork, bonito seasonings in powder and paste forms to fruit juice powders and vegetable extract powders.

Corporate Profile

Corporate Profile

Company name Bohen-Kasei Co., Ltd.
Business field Manufacture and sales of food product materials (natural seasonings, dehydrated vegetables, dairy products, and fruit and tea processed products) and other foods
Head Office 9-32 Nikura 7-Chome, Wako-shi, Saitama 351-0115MAP
Telephone +81-3-3279-0546(Food Department, IWAKI & CO., LTD.)
Main products Meat-based seasonings, etc.
Close
 

Industrial Chemicals Business

 

Meltex Inc.

Meltex Inc.

Meltex provides high value-added surface treatment chemicals.
The company responds to customers’ requests and conducts research and development based on its own consideration of the characteristics required for the next generation.
The electronics industry is transitioning to 5G and preparing for 6G as the pace of change accelerates.
Meltex has group companies in Hong Kong, China (Tianjin and Shenzhen), Taiwan, South Korea, and Thailand, and provides global services.

Corporate Profile

Corporate Profile

Company name Meltex Inc.
Business field Manufacture and sales of surface finishing chemicals
Manufacture and sales of chemicals for the electronics industry
Design, installation, and sales of chemical equipment
Analysis and recovery of chemicals and metals
Manufacture and sales of plant for manufacturing printed-wiring boards
Head Office 8-2, Nihonbashi Honcho 4-chome, Chuo-ku, Tokyo 103-0023MAP
Telephone +81-3-3279-0671
Main products Surface finishing chemicals for printed-wiring boards
Plating chemicals for electronic devices
Functional plating chemicals
General plating chemicals
Close
 

Tokai Meltex Inc.

Tokai Meltex Inc.

Tokai Meltex is an environmentally-friendly chemical manufacturing plant that manufactures, recovers, and recycles alkaline etchants. The high-quality copper sulfate produced here is highly regarded in the market, including for semiconductor applications. The company aims to increase the number of items it manufactures to meet market needs.



Corporate Profile

Corporate Profile

Company name Tokai Meltex Inc.
Head Office 3-4-45 Obata, Yokkaichi City, Mie 510-0875MAP
Close
 

Meltex Asia (Thailand) Co.,Ltd

Meltex Asia (Thailand) Co., LTD.

Meltex Asia (Thailand) is a chemical manufacturing company in Thailand owned by Meltex. The company has achieved global quality manufacturing and is gradually increasing the number of manufacturable items from a BCP perspective. Meltex Asia (Thailand) supplies chemicals not only within Thailand and to ASEAN countries, but also to China, South Korea, and Japan.



Corporate Profile

Corporate Profile

Company name Meltex Asia (Thailand) Co.,Ltd
Head Office 700/831 Moo 6, Tambol Nongtumlueng, Amphur Phanthong Chonburi 20160MAP
Close
 

Others

Astena Heartful Co., Ltd.

  
Company name Astena Heartful Co., Ltd.
Business field Astena Group business consignment
Head Office 30-17, Toshima 7-Chome, Kita-ku, Tokyo MAP
Official Site https://www.astena-hd.com/heartful.html

Iwaki Research Institute Co., Ltd. 

Company name Iwaki Research Institute Co., Ltd.
Business field Consulting and human resources development
Head Office 8-2, Nihonbashi Honcho 4-chome, Chuo-ku, Tokyo MAP