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International Reagents Corp.

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USPTO Granted Patents = 9

Forward Citations = 109

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19 inventors (with patents filed for the assignee):

Yasushi Shirahase (4 out of 7 patents)

Koji Ochiai (3 out of 4 patents)

Yoshifumi Watazu (3 out of 3 patents)

4. Koji Kishi (2 out of 4 patents)

5. Tsutomu Kakuyama (2 out of 3 patents)

6. Tadahiro Kajita (2 out of 5 patents)

7. Hitomi Iori (2 out of 2 patents)

8. Nobuya Kajiwara (2 out of 2 patents)

9. Noboru Kaneko (1 out of 7 patents)

10. Ryuko Matsuda (1 out of 2 patents)

11. Tadashi Hoshino (1 out of 1 patent)

12. Kenji Isshiki (1 out of 1 patent)

13. Tsuyoshi Ohno (1 out of 1 patent)

14. Masaru Suzuki (1 out of 1 patent)

15. Tatsuo Horiuchi (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 6986998 - Method of analyzing components in biological samples (2006-01-17),

2. 6586194 - Method for assaying creatine kinase isozyme activity and assay reagent (2003-07-01),

3. D474271 - Applicator tip for taking specimen (2003-05-07),

4. D472975 - Container for receiving specimen (2003-04-09),

5. 6242208 - LDH1 assay (2001-06-05),

6. 6114134 - Method for assaying biological specimens for substances contained in the (2000-09-05),

7. 5767247 - Anti-annexin-V monoclonal antibodies, and preparation and use thereof (1998-06-16),

8. 5250416 - Method for highly sensitive determination of NADH using kinase (1993-10-05),

9. 5122455 - GOT isozyme assay (1992-06-16),

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USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#76 in Hyogo

#4,706 in Japan

International Reagents Corp.

Forward Citations = 109

19 inventors:

Yasushi Shirahase (4 out of 7 patents)

Koji Ochiai (3 out of 4 patents)

Yoshifumi Watazu (3 out of 3 patents)

4. Koji Kishi (2 out of 4 patents)

5. Tsutomu Kakuyama (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: International Reagents Corp.. Retrieved from https://idiyas.com/company/international-reagents

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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