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For the Inventor, By the Inventor

Nagoya, Japan

Hayashi Engineering Inc.


USPTO Granted Patents = 9

% Expired Patents = 77.8



Forward Citations = 52

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16 inventors (with patents filed for the assignee):

goldMedal Toshitaka Araga (2 out of 2 patents)

silverMedal Mitsuo Hosokawa (2 out of 2 patents)

bronzeMedal Hiroshi Mizuno (1 out of 31 patents)

4.  Takeya Sakai (1 out of 7 patents)

5.  Toshiyuki Nakamura (1 out of 26 patents)

6.  Kiichiro Suzuki (1 out of 1 patent)

7.  Takaaki Sugita (1 out of 1 patent)

8.  Yasuhiro Yada (1 out of 1 patent)

9.  Masahito Imamura (1 out of 1 patent)

10.  Motohiro Aoki (1 out of 1 patent)

11.  Masanobu Matsuyama (1 out of 1 patent)

12.  Yuji Takeuchi (1 out of 1 patent)

13.  Hiroyuki Eguchi (1 out of 22 patents)

14.  Kotaro Ono (1 out of 1 patent)

15.  Koichi Ikawa (1 out of 3 patents)


9 patents:

1. 9248786 - Board structure for vehicle and manufacturing method of the same (2016-02-02),
2. 8902398 - Optical film laminate, method for producing the same, and liquid crystal display panel using the same (2014-12-02),
3. 8758875 - Formable laid interior decoration material for automobile (2014-06-24),
4. 8740440 - Planar lighting device (2014-06-03),
5. 8727417 - Molded laying interior material for vehicle (2014-05-20),
6. 8167335 - Fender liner and process for producing the same (2012-05-01),
7. 7661703 - Automobile interior structure and headliner interior material (2010-02-16),
8. 7566088 - Sun visor for automobiles (2009-07-28),
9. 7380858 - Sun visor for automobile and sound absorbing structure for an automobile (2008-06-03),
Company Overview
Hayashi Engineering Inc. is a leading engineering company specializing in providing precision machinery and equipment for various industries. With a strong commitment to quality and innovation, we design and manufacture custom solutions to meet our clients' specific needs. Our experienced team of engineers ensures that each project is completed with precision and efficiency. Visit our website for more information on our services and products.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

9 Patents

#78 in Nagoya

#4,699 in Japan

Nagoya, JP
Nagoya, Japan

Hayashi Engineering Inc.

Forward Citations = 52

16 inventors:

goldMedal Toshitaka Araga (2 out of 2 patents)

silverMedal Mitsuo Hosokawa (2 out of 2 patents)

bronzeMedal Hiroshi Mizuno (1 out of 31 patents)

4.  Takeya Sakai (1 out of 7 patents)

5.  Toshiyuki Nakamura (1 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hayashi Engineering Inc.. Retrieved from https://idiyas.com/company/hayashi-engineering

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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