logo

For the Inventor, By the Inventor

Aichi, Japan

Togo Seisakusyo Corporation


USPTO Granted Patents = 45

% Expired Patents = 33.3


Forward Citations = 311

Loading Chart...
Loading Chart...

65 inventors (with patents filed for the assignee):

goldMedal Yuji Nakamura (15 out of 17 patents)

silverMedal Shigeo Oi (7 out of 7 patents)

bronzeMedal Kenji Tozaki (5 out of 7 patents)

4.  Takanori Nagaya (4 out of 4 patents)

5.  Kazutoshi Sakakibara (4 out of 5 patents)

6.  Hiroki Okada (3 out of 3 patents)

7.  Hiroyuki Toyoda (2 out of 6 patents)

8.  Hirofumi Kurachi (2 out of 2 patents)

9.  Toshihiro Asakura (2 out of 24 patents)

10.  Hirotsune Suzuki (2 out of 5 patents)

11.  Akitaka Ichikawa (2 out of 11 patents)

12.  Toshiaki Ogata (2 out of 8 patents)

13.  Masatoshi Fujimoto (2 out of 2 patents)

14.  Yukihiko Kanayama (2 out of 5 patents)

15.  Yuzo Hirakawa (2 out of 2 patents)


Core Competencies:
Hose Clamp
Connector
Torque Limiter
Tolerance Ring
Pipe Joint
Spring Assembly
Rustproofing
Power-Source Outlet
Hinge
Molding Structure
Clamp
Pipe Fitting

45 patents:

1. 12227852 - Rustproofed metal member and coating paint (2025-02-18),
2. 12129894 - Tolerance ring (2024-10-29),
3. 12104651 - Tolerance ring (2024-10-01),
4. 12092249 - Connector (2024-09-17),
5. 12031655 - Connector (2024-07-09),
6. 12013065 - Connector (2024-06-18),
7. 11649912 - Pipe connector (2023-05-16),
8. 11320071 - Clamp (2022-05-03),
9. 11035418 - Tolerance ring (2021-06-15),
10. 10704608 - Shaft coupling structure (2020-07-07),
11. 10081468 - Hose clamp (2018-09-25),
12. 10005600 - Hose clamp (2018-06-26),
13. 9920794 - Torque limiter, variable transmission ratio device, and tolerance ring (2018-03-20),
14. 9764883 - Hose clamp (2017-09-19),
15. 9546750 - Hose clamp and method of manufacturing the same (2017-01-17),
Company Overview
Togo Seisakusyo Corporation, based in Aichi, Japan, specializes in advanced metal coating technologies, particularly rustproofing solutions. The company is known for its innovative products including tolerance rings, pipe connectors, hose clamps, torque limiters, and spring assemblies. Additionally, Togo Seisakusyo is involved in bus bar manufacturing and power-source outlet development, catering to various industries with a focus on enhancing durability and performance in mechanical applications. Their expertise positions them as a key player in the metalworking sector.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

45 Patents

#37 in Aichi

#1,829 in Japan

#15,436 in the World

Aichi, JP
Aichi, Japan

Togo Seisakusyo Corporation

Forward Citations = 311

65 inventors:

goldMedal Yuji Nakamura (15 out of 17 patents)

silverMedal Shigeo Oi (7 out of 7 patents)

bronzeMedal Kenji Tozaki (5 out of 7 patents)

4.  Takanori Nagaya (4 out of 4 patents)

5.  Kazutoshi Sakakibara (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Togo Seisakusyo Corporation. Retrieved from https://idiyas.com/company/togo-seisakusyo

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]
Loading…