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For the Inventor, By the Inventor

Tokyo, Japan

Piaa Corporation

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USPTO Granted Patents = 22

Trademarks = 1

Forward Citations = 467

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9 inventors (with patents filed for the assignee):

goldMedal Masashi Kamaya (12 out of 12 patents)

silverMedal Teruaki Yamamoto (4 out of 14 patents)

bronzeMedal Gen Kani (4 out of 4 patents)

4.  Haruo Hyodo (2 out of 2 patents)

5.  Yukari Ishiwatari (2 out of 2 patents)

6.  Masatoshi Kobayashi (1 out of 9 patents)

7.  Toshiyuki Terada (1 out of 38 patents)

8.  Hideaki Shimada (1 out of 4 patents)

9.  Masahi Kamaya (1 out of 1 patent)


22 patents:

1. D739577 - Lamp for a vehicle (2015-09-22),
2. D708373 - Lamp for a vehicle (2014-07-01),
3. D704125 - Wiper blade (2014-05-06),
4. D574978 - Lamp for a vehicle (2008-08-12),
5. D570009 - Surface configuration of a lamp for vehicle (2008-05-27),
6. 6079852 - Auxiliary light (2000-06-27),
7. 5788363 - Lamp unit attaching structure (1998-08-04),
8. 5611510 - Device for fitting up an auxiliary lamp (1997-03-18),
9. 5578893 - Bulb for vehicular lighting equipment (1996-11-26),
10. D347901 - Lamp (1994-06-14),
11. 5111105 - Vehicular lighting device (1992-05-05),
12. D301223 - Automotive roof carrier support (1989-05-23),
13. D300913 - Automotive roof carrier support (1989-05-02),
14. D300814 - Automotive roof carrier (1989-04-25),
15. D300813 - Automotive roof carrier (1989-04-25),
Company Overview
Piaa Corporation is a prominent Japanese company specializing in automotive lighting and accessories. With a strong focus on innovation, Piaa develops high-performance products that enhance vehicle safety and visibility. The company is recognized for its advanced research in lighting technology, including LED and halogen systems, catering to both consumer and commercial markets. Headquartered in Tokyo, Piaa plays a significant role in the automotive industry, contributing to advancements in vehicle design and functionality.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

22 Patents

#1,286 in Tokyo

#2,795 in Japan

#28,807 in the World

Tokyo, JP
Tokyo, Japan

Piaa Corporation

Forward Citations = 467

9 inventors:

goldMedal Masashi Kamaya (12 out of 12 patents)

silverMedal Teruaki Yamamoto (4 out of 14 patents)

bronzeMedal Gen Kani (4 out of 4 patents)

4.  Haruo Hyodo (2 out of 2 patents)

5.  Yukari Ishiwatari (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Piaa Corporation. Retrieved from https://idiyas.com/company/piaa

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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