Forward Citations = 83

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15 inventors (with patents filed for the assignee):

Kazuhiro Atsumi (3 out of 25 patents)

Katsu Honzawa (3 out of 6 patents)

Masayuki Masuko (3 out of 3 patents)

4. Fumihiko Shimomura (2 out of 3 patents)

5. Tsuyoshi Hayakawa (2 out of 4 patents)

6. Seiji Kawaguchi (2 out of 2 patents)

7. Hisaya Motojima (2 out of 2 patents)

8. Yuichiro Sakamoto (1 out of 10 patents)

9. Hitoshi Tsuruta (1 out of 8 patents)

10. Masatoshi Yamaguchi (1 out of 5 patents)

11. Keiko Oka (1 out of 3 patents)

12. Takahiko Ishiguro (1 out of 1 patent)

13. Satomi Matsui (1 out of 2 patents)

14. Michihiro Nakamura (1 out of 8 patents)

15. Humihiko Shimomura (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5981202 - Two-dimensional solid phase assay (1999-11-09),

2. 5674696 - Apparatus for the determination of a trace amount of an analyte (1997-10-07),

3. 5637874 - Apparatus and method for measuring chemiluminescence (1997-06-10),

4. 5576212 - Oxidizing composition in powder form (1996-11-19),

5. 5523845 - A fiber optic device for measuring liquids which are drawn into an end (1996-06-04),

6. 5324835 - Pyridazinoquinoxalinones for use as chemiluminescent agents (1994-06-28),

Company Overview

Biosensor Laboratories Co., Ltd. is a leading biotechnology company specializing in the development and manufacturing of cutting-edge biosensor technologies for various applications in healthcare, diagnostics, and environmental monitoring. With a team of experienced scientists and engineers, we are committed to delivering high-quality and innovative solutions to our clients worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#2,468 in Tokyo

#5,988 in Japan

Tokyo, Japan

Biosensor Laboratories Co., Ltd.

Forward Citations = 83

15 inventors:

Kazuhiro Atsumi (3 out of 25 patents)

Katsu Honzawa (3 out of 6 patents)

Masayuki Masuko (3 out of 3 patents)

4. Fumihiko Shimomura (2 out of 3 patents)

5. Tsuyoshi Hayakawa (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Biosensor Laboratories Co., Ltd.. Retrieved from https://idiyas.com/company/biosensor-laboratories-company

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]