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For the Inventor, By the Inventor

Tokyo, Japan

Fujirebio Inc.


USPTO Granted Patents = 102

% Expired Patents = 21.6



Trademarks = 11

Forward Citations = 725

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165 inventors (with patents filed for the assignee):

goldMedal Hiroshi Ikawa (22 out of 26 patents)

silverMedal Tetsuaki Yamaura (13 out of 15 patents)

bronzeMedal Yoshihiro Ashihara (12 out of 27 patents)

4.  Masakatsu Matsumoto (9 out of 14 patents)

5.  Katsumi Aoyagi (8 out of 14 patents)

6.  Yoshiaki Uchida (8 out of 9 patents)

7.  Masahisa Okada (8 out of 11 patents)

8.  Nobuko Watanabe (8 out of 9 patents)

9.  Shintaro Yagi (6 out of 17 patents)

10.  Masami Sugiyama (6 out of 11 patents)

11.  Yoshihiro Kurano (6 out of 6 patents)

12.  Yasuko Konagai (6 out of 6 patents)

13.  Akiyoshi Kadoiri (6 out of 7 patents)

14.  Eiko Mori (6 out of 16 patents)

15.  Hisako Kobayashi (6 out of 6 patents)


Core Competencies:
Immunoassay
Cardiac Troponin
Hepatitis B Assay
Vitamin D Measurement
PIVKA-II Assay
Antibody
Troponin
Prostaglandin E
Nucleic Acid
Chemiluminescence
Diagnostics
Reagents

102 patents:

1. 12196768 - Method of testing a blood for macrolide immunosuppressant (2025-01-14),
2. 12038440 - Lectin-binding substance measurement method, lectin-binding substance measurement kit, and capture carrier for use in these (2024-07-16),
3. 11988666 - Lectin-binding substance measurement method, lectin-binding substance measurement kit, and blocked labeled lectin for use in these (2024-05-21),
4. 11802867 - Cardiac troponin assay method and assay reagent (2023-10-31),
5. 11768209 - Method and reagent for measuring thyroglobulin (2023-09-26),
6. 11604199 - Treatment liquid for exclusion of steroid included in cyclodextrin (2023-03-14),
7. 11454632 - Assay method and assay kit for hepatitis B virus S antigen (2022-09-27),
8. 11169162 - Kit and method for measuring prostaglandin E-major urinary metabolite (2021-11-09),
9. 10830771 - PIVKA-II assay method and method for manufacturing reagent or kit for PIVKA-II immunoassay (2020-11-10),
10. 10634676 - Method and kit for simultaneously detecting human parvovirus B19 antigen and antibody (2020-04-28),
11. 10571479 - Vitamin D measurement method and measurement kit (2020-02-25),
12. 10562039 - Automatic analysis device and separation and washing method (2020-02-18),
13. 10539559 - PIVKA-II measurement method, measurement reagent, and measurement kit (2020-01-21),
14. 10527638 - Automated analyzer and nozzle-cleaning method (2020-01-07),
15. 10138508 - Method for measuring modified nucleobase using guide probe, and kit therefor (2018-11-27),
Fujirebio Inc., headquartered in Tokyo, specializes in the development and manufacturing of advanced immunoassay techniques. The company focuses on critical diagnostic areas, including cardiac troponin testing, hepatitis B assays, and vitamin D measurement. With a commitment to innovation, Fujirebio leverages its expertise in antibody technology to enhance diagnostic accuracy and patient care. The organization plays a significant role in the global healthcare landscape, providing essential tools for disease detection and management.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Fujirebio Inc.
102 Patents

#533 in Tokyo

#1,108 in Japan

#7,635 in the World

Tokyo, JP
Tokyo, Japan

Fujirebio Inc.

Forward Citations = 725

165 inventors:

goldMedal Hiroshi Ikawa (22 out of 26 patents)

silverMedal Tetsuaki Yamaura (13 out of 15 patents)

bronzeMedal Yoshihiro Ashihara (12 out of 27 patents)

4.  Masakatsu Matsumoto (9 out of 14 patents)

5.  Katsumi Aoyagi (8 out of 14 patents)

Please report any incorrect information to [email protected]
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