Yanaihara Institute Inc.

Yanaihara Institute Inc. is a Japanese high-technology company founded in 1995 by Dr. Noboru Yanaihara, located at the foot of Mount Fuji in Fujinomiya, Shizuoka Prefecture. The company specializes in the production of antibody products and enzyme immunoassay kits (EIA or ELISA kits) for the identification and analysis of biomarkers and unknown proteins. It offers a complete range of services from antibody preparation to detection system development, including custom antibody production (including polyclonal antibodies), custom immunoassay method development, and custom immunoassay measurements using its own or other manufacturers' products. The company has developed more than 30 ELISA kits for the global biotechnology market. Its corporate policy is to develop differentiated products characterized by extremely high sensitivity and specificity. The product portfolio includes ELISA kits and antibodies related to obesity/diabetes, stress/tumor/aging, environmental hormones, and brain injury/cerebral hemorrhage. The company continues to operate and update its product line, with some products discontinued over time.

Yanaihara Institute Inc. was founded in 1995 by Dr. Noboru Yanaihara. Dr. Yanaihara graduated from the pharmaceutical department, school of medicine, Osaka University in 1953 and earned his master's degree in graduate school of pharmaceutical science at the same university. He started his research in peptide hormone at University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA from 1959-1962, and from 1965-1967. After returning to Japan, Dr. Yanaihara became a professor at University of Shizuoka School of Pharmaceutical Sciences. The company is located around the foot of Mount Fuji, which is famous for its spring water and natural circumstances. Yanaihara Institute Inc. is a high-tech enterprise that produces antibody products and enzyme-linked immunoassay kits (EIA or ELISA kit). Such technology is utilized for the identification and analysis of biomarkers, or explanation of many unknown proteins. The company offers a complete range of services from antibody production to assay system development, including custom-order antibody production (including polyclonal antibody), custom-order immunoassay method establishment, and custom-order immunoassay measurement by its products or other manufacturers. It has already developed more than 30 enzyme-linked immunoassay kits for the biotechnological market of the world. The enterprise's policy is to develop products (antibody and immunoassay kits) that are differentiated by their extremely high sensitivity and specificity. Over the years, the company has discontinued certain product lines, such as antibody products discontinued from February 18, 2022, and EIA kit products discontinued from the end of March 2025.

• 2025

  Discontinuation of certain EIA kit products from the end of March 2025.

• 2022

  Discontinuation of certain antibody products from February 18, 2022.

• 1995

  Company founded by Dr. Noboru Yanaihara.

High-tech enterprise differentiated by extremely high sensitivity and specificity in antibody and immunoassay products.

• ELISA kits for obesity/diabetes

• ELISA kits for stress/tumor/aging

• ELISA kits for environmental hormones

• ELISA kits for brain damage/brain hemorrhage

• Antibodies for obesity/diabetes

• Antibodies for stress/tumor/aging

• Antibodies for environmental hormones

• Antibodies for brain damage/brain hemorrhage

1. 1Yanaihara Institute Inc. - Official Websiteyanaihara-inc.com
2. 2Company information - Yanaihara Institute Inc.yanaihara-inc.com
3. 3The end of sales of some antibody products. - Yanaihara Institute Inc.yanaihara-inc.com
4. 4Yanaihara Institute Inc. (Japan) - Wikidatawikidata.org