% Expired Patents = 28.6

Forward Citations = 124

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9 inventors (with patents filed for the assignee):

Jiro Takahashi (3 out of 34 patents)

Hirokazu Kawamura (2 out of 4 patents)

Minoru Imamura (1 out of 1 patent)

4. Nobuki Yagishita (1 out of 1 patent)

5. Masahiko Nohara (1 out of 1 patent)

6. Norio Hiruma (1 out of 1 patent)

7. Shuji Ito (1 out of 7 patents)

8. Tomohiko Oka (1 out of 3 patents)

9. Norikazu Maki (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. D720056 - Exhaust pipe cover for water heater (2014-12-23),

2. 8414033 - Pipe joint and pipe equipped with pipe joint (2013-04-09),

3. 7441565 - Fire protection zone penetrating member and injection-molding method for the same (2008-10-28),

4. 7347224 - Supply and exhaust pipe (2008-03-25),

5. 6341804 - Slip-out preventive unit of supply exhaust pipe (2002-01-29),

6. 6176052 - Fire retarding division penetrating member (2001-01-23),

7. 5947159 - Fire retarding division penetrating member (1999-09-07),

Company Overview

Tosetz Co., Ltd. is a leading manufacturer of electric vehicles and renewable energy solutions. With a strong focus on sustainability, innovation, and quality, Tosetz is committed to reducing our carbon footprint and creating a greener future for all. Our products range from electric scooters and bicycles to solar panels and battery storage systems. Visit our website to learn more about our cutting-edge technology and sustainable practices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#2,287 in Tokyo

#5,456 in Japan

Tokyo, Japan

Tosetz Co., Ltd.

Forward Citations = 124

9 inventors:

Jiro Takahashi (3 out of 34 patents)

Hirokazu Kawamura (2 out of 4 patents)

Minoru Imamura (1 out of 1 patent)

4. Nobuki Yagishita (1 out of 1 patent)

5. Masahiko Nohara (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tosetz Co., Ltd.. Retrieved from https://idiyas.com/company/tosetz-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]