Hyogo, Japan

Kabushiki Kaisha Powrex

Calculating rank
USPTO Granted Patents = 9

% Expired Patents = 44.4



Forward Citations = 27

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28 inventors (with patents filed for the assignee):

goldMedal Koji Hasegawa (5 out of 11 patents)

silverMedal Takuya Nagato (3 out of 3 patents)

bronzeMedal Takashi Sakamoto (2 out of 43 patents)

4.  Makoto Kobayashi (2 out of 13 patents)

5.  Yasuhiro Hotta (2 out of 2 patents)

6.  Shigeki Takeda (2 out of 3 patents)

7.  Mamoru Miyamoto (2 out of 2 patents)

8.  Itsuo Muto (2 out of 2 patents)

9.  Katsuhiko Satoh (2 out of 2 patents)

10.  Tetsuya Murakami (1 out of 17 patents)

11.  Kazuhiro Uchida (1 out of 14 patents)

12.  Yosuke Tomita (1 out of 6 patents)

13.  Koji Hisazumi (1 out of 1 patent)

14.  Naotoshi Kinoshita (1 out of 1 patent)

15.  Tarou Endou (1 out of 1 patent)


9 patents:

Company Overview
Kabushiki Kaisha Powrex is a leading Japanese manufacturer of power tools and equipment. With a history dating back to 1950, Powrex has established a strong reputation for delivering high-quality products to professional and DIY users alike. Their extensive product range includes drills, saws, grinders, and much more, catering to a wide range of industries and applications. With a commitment to innovation and customer satisfaction, Powrex continues to set the standard for excellence in the power tool industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

9 Patents

#76 in Hyogo

#4,707 in Japan

Hyogo, JP
Hyogo, Japan
Forward Citations = 27

28 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kabushiki Kaisha Powrex. Retrieved from https://idiyas.com/company/kabushiki-kaisha-powrex

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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