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For the Inventor, By the Inventor

Osaka, Japan

Matsui Mfg. Co., Ltd.

Calculating rank
USPTO Granted Patents = 14

% Expired Patents = 50.0


Trademarks = 1

Forward Citations = 40

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16 inventors (with patents filed for the assignee):

goldMedal Saiji Yamashita (5 out of 5 patents)

silverMedal Kazunari Hanaoka (4 out of 9 patents)

bronzeMedal Satoshi Ishii (3 out of 64 patents)

4.  Satoru Tojyo (2 out of 2 patents)

5.  Hironobu Matsui (2 out of 2 patents)

6.  Hikoichi Katsumura (2 out of 2 patents)

7.  Akira Kawagoe (2 out of 3 patents)

8.  Minoru Haru (1 out of 1 patent)

9.  Yasunari Araki (1 out of 1 patent)

10.  Syuji Shinagawa (1 out of 1 patent)

11.  Kiyokazu Suzuki (1 out of 1 patent)

12.  Harumoto Kimura (1 out of 1 patent)

13.  Riichi Nakano (1 out of 1 patent)

14.  Yousuke Oyama (1 out of 1 patent)

15.  Toshiro Tanaka (1 out of 1 patent)


14 patents:

1. 11997440 - Management device and calculation method (2024-05-28),
2. 11758310 - Management system and calculation method (2023-09-12),
3. 11609744 - Open/close counting device (2023-03-21),
4. 11440228 - Temperature control device (2022-09-13),
5. 11435140 - Drying apparatus for granular materials and drying method for granular materials (2022-09-06),
6. 11397550 - Display device (2022-07-26),
7. 9337764 - Drive control device, electrical apparatus and drive control method (2016-05-10),
8. 9168682 - Medium supply appartus (2015-10-27),
9. 8033487 - Crusher (2011-10-11),
10. 7866352 - Filling method and filling apparatus of powder-particle material in compression molding (2011-01-11),
11. 7472808 - Powder and granular material metering device (2009-01-06),
12. 7448568 - Shredder with rotatable sidewall (2008-11-11),
13. 7383971 - Powder body metering apparatus (2008-06-10),
14. 7216824 - Shredder with oscillating side walls (2007-05-15),
Company Overview
Matsui Mfg. Co., Ltd., based in Osaka, Japan, specializes in the development and manufacturing of advanced industrial equipment and systems. The company is recognized for its expertise in creating innovative solutions for various sectors, including plastics, textiles, and environmental technologies. With a strong emphasis on research and development, Matsui focuses on enhancing product efficiency and sustainability, contributing to the evolution of manufacturing processes and technologies across its operational domains.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

14 Patents

#387 in Osaka

#3,585 in Japan

#42,312 in the World

Osaka, JP
Osaka, Japan

Matsui Mfg. Co., Ltd.

Forward Citations = 40

16 inventors:

goldMedal Saiji Yamashita (5 out of 5 patents)

silverMedal Kazunari Hanaoka (4 out of 9 patents)

bronzeMedal Satoshi Ishii (3 out of 64 patents)

4.  Satoru Tojyo (2 out of 2 patents)

5.  Hironobu Matsui (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Matsui Mfg. Co., Ltd.. Retrieved from https://idiyas.com/company/matsui-mfg-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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