Protein Engineering Research Institute

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USPTO Granted Patents = 4

Forward Citations = 34

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12 inventors (with patents filed for the assignee):

Ikuo Fujii (2 out of 2 patents)

Tatsuhiko Kodama (1 out of 31 patents)

Yoshinori Fujiyoshi (1 out of 9 patents)

4. Takeshi Imanishi (1 out of 18 patents)

5. Toshiki Tanaka (1 out of 4 patents)

6. Mikio Naruse (1 out of 5 patents)

7. Yoshiharu Iwabuchi (1 out of 1 patent)

8. Hideaki Miyashita (1 out of 1 patent)

9. Haruki Nakamura (1 out of 1 patent)

10. Takefumi Doi (1 out of 1 patent)

11. Keiko Kinoshita (1 out of 1 patent)

12. Fujie Tanaka (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5885816 - Catalytic antibodies enantioselectively hydrolysing amino acid ester (1999-03-23),

2. 5747451 - Peptide derivatives having binding activity to modified low density (1998-05-05),

3. 5672489 - Catalytic antibodies hydrolyzing acylated carbohydrates in a (1997-09-30),

4. 5406087 - Specimen-holding device for electron microscope (1995-04-11),

Company Overview

Protein Engineering Research Institute is a leading research organization dedicated to the advancement of protein engineering and biotechnology. Our team of highly skilled scientists and researchers collaborates on groundbreaking projects to develop novel proteins for various applications in medicine, agriculture, and industry. With state-of-the-art facilities and cutting-edge technologies, we are at the forefront of protein engineering research.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#808 in Osaka

#7,590 in Japan

Osaka, Japan