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For the Inventor, By the Inventor

Tokyo, Japan

Mitsui Norin Co., Ltd.

Calculating rank
USPTO Granted Patents = 28

% Expired Patents = 10.7



Trademarks = 5

Forward Citations = 366

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34 inventors (with patents filed for the assignee):

goldMedal Yukihiko Hara (22 out of 24 patents)

silverMedal Tadakatsu Shimamura (5 out of 5 patents)

bronzeMedal De Chang Wang (3 out of 4 patents)

4.  Shu Jun Cheng (3 out of 4 patents)

5.  Yoshikazu Tashiro (2 out of 5 patents)

6.  Paul T Wegener (2 out of 6 patents)

7.  Kazuo Okushio (2 out of 2 patents)

8.  Miwa Honda (2 out of 2 patents)

9.  Masatoshi Nakano (2 out of 2 patents)

10.  Kazuo Nashimoto (2 out of 2 patents)

11.  Kozo Nakamura (1 out of 57 patents)

12.  Masao Hattori (1 out of 11 patents)

13.  Paul Stapleton (1 out of 2 patents)

14.  Hiroshi Hojo (1 out of 1 patent)

15.  Slobodan Jovanovic (1 out of 1 patent)


Core Competencies:
Biocides
Disinfectants
Tea Polyphenol
Antiviral Agent
Antibacterial
Skin Compositions
Antifungal
Antioxidant
Gargling Cup
Hyperplasia Treatment
Dental Plaque
Antimicrobial

28 patents:

1. 8652533 - Durable biocides and disinfectants (2014-02-18),
2. 8338476 - [object Object] (2012-12-25),
3. 8138359 - Stabilized 3-hydroxyflavan compositions and methods therefor (2012-03-20),
4. 8128967 - Polyphenol coxib combinations and methods (2012-03-06),
5. 8124141 - Rapidly absorbing lipophilic skin compositions and uses therefor (2012-02-28),
6. 7763291 - Tea polyphenol composition and method for producing the same (2010-07-27),
7. 6248346 - Chewing gum and production of the same (2001-06-19),
8. 5968973 - Method for treating hyperplasia (1999-10-19),
9. 5929047 - Anti-viral agent prepared by basic and acidic extraction of mangraves (1999-07-27),
10. 5888527 - Gargling cup, antiviral mask, antiviral filter, antifungal, (1999-03-30),
11. 5814319 - Anti-viral, anti-bacterial and anti-cancer agent (1998-09-29),
12. 5807564 - Method of strengthening antibacterial action of antibiotics (1998-09-15),
13. 5804567 - Method of increasing the effectiveness of anti-metabolites (1998-09-08),
14. 5795911 - Composition for treating Condyloma acuminata (1998-08-18),
15. 5766595 - Method of improving quality of eggs by feeding tea polyphenol (1998-06-16),
Company Overview
Mitsui Norin Co., Ltd. is a prominent player in the agricultural sector, specializing in the development and distribution of various agricultural products and technologies. The company focuses on enhancing food production and sustainability through innovative practices and research. With a strong presence in Japan, Mitsui Norin is dedicated to advancing agricultural methodologies and improving crop yields, contributing to the global food supply chain while prioritizing environmental stewardship.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Mitsui Norin Co., Ltd. USPTO Patent Assignee Logo
28 Patents

#1,114 in Tokyo

#2,417 in Japan

#23,317 in the World

Tokyo, JP
Tokyo, Japan

Mitsui Norin Co., Ltd.

Forward Citations = 366

34 inventors:

goldMedal Yukihiko Hara (22 out of 24 patents)

silverMedal Tadakatsu Shimamura (5 out of 5 patents)

bronzeMedal De Chang Wang (3 out of 4 patents)

4.  Shu Jun Cheng (3 out of 4 patents)

5.  Yoshikazu Tashiro (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsui Norin Co., Ltd.. Retrieved from https://idiyas.com/company/mitsui-norin-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]
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