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For the Inventor, By the Inventor

Tokyo, Japan

Uchida Yoko Co., Ltd.

Calculating rank
USPTO Granted Patents = 25

% Expired Patents = 4.0


Forward Citations = 430

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27 inventors (with patents filed for the assignee):

goldMedal Naoki Terada (13 out of 21 patents)

silverMedal Kouichi Wakasugi (13 out of 14 patents)

bronzeMedal Kenichi Chiyoda (11 out of 11 patents)

4.  Takashi Kunishita (10 out of 11 patents)

5.  Hideki Tachikawa (10 out of 15 patents)

6.  Kenichi Kobayashi (8 out of 192 patents)

7.  Harunobu Saito (8 out of 8 patents)

8.  Atsuo Okamoto (5 out of 5 patents)

9.  Ippei Muramoto (3 out of 3 patents)

10.  Toshimasa Endo (3 out of 4 patents)

11.  Mitsunobu Choda (3 out of 3 patents)

12.  Hideo Nishimura (3 out of 3 patents)

13.  Hiroshi Kanai (3 out of 3 patents)

14.  Tetsuya Matsuda (2 out of 41 patents)

15.  Yuji Inoue (2 out of 33 patents)


Core Competencies:
Workpiece Machining
Conveying Apparatus
Card-Cutting
Presentation System
Area Forming Joint
Chair Design
Support Base
Attachment Bracket
Partition Support
Desk System
Key-Input Apparatus

25 patents:

1. 12030207 - Workpiece machining apparatus (2024-07-09),
2. 10308455 - Workpiece conveying apparatus (2019-06-04),
3. 9561597 - Card-cutting apparatus (2017-02-07),
4. 8701535 - Automatic card-cutting apparatus (2014-04-22),
5. 8074415 - Space structure (2011-12-13),
6. 7886980 - Presentation system (2011-02-15),
7. D599649 - Area forming joint (2009-09-08),
8. D598736 - Area forming joint (2009-08-25),
9. D598735 - Area forming joint (2009-08-25),
10. D572948 - Chair (2008-07-15),
11. D572571 - Attachment bracket (2008-07-08),
12. D572570 - Base for support (2008-07-08),
13. D569231 - Attachment bracket (2008-05-20),
14. D569230 - Attachment bracket (2008-05-20),
15. D569228 - Partition support (2008-05-20),
Company Overview
Uchida Yoko Co., Ltd. is a prominent Japanese company specializing in the development and manufacture of office automation equipment and supplies. The organization is known for its innovative solutions in document management, including printers, copiers, and related software technologies. With a strong emphasis on enhancing workplace efficiency, Uchida Yoko also engages in research and development across various sectors, contributing to advancements in office productivity tools and systems. Its operations are primarily based in Tokyo, Japan, serving both domestic and international markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

25 Patents

#1,195 in Tokyo

#2,570 in Japan

#25,729 in the World

Tokyo, JP
Tokyo, Japan

Uchida Yoko Co., Ltd.

Forward Citations = 430

27 inventors:

goldMedal Naoki Terada (13 out of 21 patents)

silverMedal Kouichi Wakasugi (13 out of 14 patents)

bronzeMedal Kenichi Chiyoda (11 out of 11 patents)

4.  Takashi Kunishita (10 out of 11 patents)

5.  Hideki Tachikawa (10 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Uchida Yoko Co., Ltd.. Retrieved from https://idiyas.com/company/uchida-yoko-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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