Group companies

Parent company

JSR Corporation
JSR Corporation was established in 1957 with the aim of domestic production of synthetic rubber. Using JSR’s polymer technology, JSR has expanded its business to semiconductor, displays, optical materials and others. JSR is now developing Life Sciences business as a new pillar by providing bioprocess and diagnostic materials as well as drug discovery and development services for biopharmaceuticals.
Headquarters: Shiodome-Sumitomo Bldg., 1-9-2 Higashi-Shimbashi, Minato-ku, Tokyo 105-8640 JAPAN

Group Company

JSR Life Sciences, LLC
JSR Life Sciences, LLC is committed to the advancement of human health worldwide as a strategic partner to companies that discover, develop and deliver products to treat disease and improve the quality of life for patients. Based in Sunnyvale, CA, JSR Life Sciences operates a network of manufacturing facilities, R&D labs and sales offices. The JSR Life Sciences family of companies includes MBL, Crown Bioscience, KBI Biopharma, Inc., Selexis SA and other affiliates throughout Europe and the Asia-Pacific region.
Headquarters: 1280 North Mathilda Ave., Sunnyvale, CA 94089 U.S.A.


G&G Science Co., Ltd.
R&D of gene diagnostic reagents for the purpose of understanding the causes and clinical conditions of infectious diseases and cancer through analysis of genes of humans as well as bacteria and virus.
Headquarters: 4-1-1 Misato, Matsukawa-cho, Fukushima, Fukushima 960-1242 JAPAN


MBL Beijing Biotech Co., Ltd
Sales of antigens, antibodies, drugs and machinery, and appliances for medical science, biology and research.
Headquarters: Room 1606, Xueyuan International Tower, 1 Zhichun Road, Haidian District, 100191 Beijing, China

MBL Shenzhen Biotech Co., Ltd
Development, production, and sales of Anti-gens&Anti-bodies for IVD raw materials, IVD intermediates and IVDs.
Wisdom Homeland Phase2 Block 3A Building 12 Block Baolong Residential District, Baohe Avenue No. 76, Longgang, Shenzhen, Guangdong, 518000 China