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For the Inventor, By the Inventor

Nara, Japan

Katsuhiko Hayashi

This inventor holds 68 USPTO granted patents and 15 published patent applications and 7 EPO patents, primarily in Optical Display Technology (CPC class G02B). Top assignees: Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd., Kaneka Corporation. Active years: 1988-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Hayashi. Retrieved from https://idiyas.com/inventor/katsuhiko-hayashi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 68 

% Patents Active = 51.5

 

Average Co-Inventor Count = 3.0

ph-index = 12

Forward Citations = 491(Granted Patents)

Forward Citations (Not Self Cited) = 488(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Otsu, JP (1998 - 2002)
  • Shiga, JP (2001 - 2003)
  • Katano, JP (2006 - 2009)
  • Kusatsu, JP (2001 - 2016)
  • Nara, JP (2012 - 2019)
  • Osaka, JP (1988 - 2020)

Company Filing History:

goldMedal31 out of 16,454 
 
Panasonic Corporation
 patents
silverMedal16 out of 13,338 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
bronzeMedal13 out of 1,772 
 
Kaneka Corporation
 patents
4. 5 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
5. 2 out of 698 
 
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
 patents
6. 1 out of 1 
 
Kanegafuchi Kagaku Kogyo Kabushiki Kabushiki Kaisha
 patent

Years Active: 1988-2025

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Areas of Expertise:
Imaging Apparatus
Light Emission System
Head-Up Display
Optical Deflector
Liquid Crystal Display
Organic EL Device
Backlight Device
Objective Lens Element
Optical Pickup Device
Luminescent System
Image Display Apparatus
Optical System
68 patents (USPTO):Explore Patents
1. 12306292 - Imaging apparatus including sub-terahertz wave reflective member (2025-05-20),
2. 10535831 - Illumination system and planar light source (2020-01-14),
3. 10405631 - Light emission system and pseudo natural light emission member (2019-09-10),
4. 10281722 - Head-up display and moving body equipped with head-up display (2019-05-07),
5. 10146052 - Virtual image display apparatus, head-up display system, and vehicle (2018-12-04),
6. 9651792 - Image display apparatus (2017-05-16),
7. 9581859 - Optical deflector, optical deflection apparatus, and liquid crystal display apparatus using the optical deflector and the optical deflection apparatus (2017-02-28),
8. 9508291 - Image display apparatus (2016-11-29),
9. 9500874 - Liquid crystal optical element and image display apparatus including the same (2016-11-22),
10. 9405125 - Image display apparatus (2016-08-02),
11. 9389430 - Light deflection element and image display apparatus using the same (2016-07-12),
12. 9386656 - Luminescent system and organic EL device (2016-07-05),
13. 9373815 - Sealing layer of organic EL device (2016-06-21),
14. 9310536 - Objective lens element (2016-04-12),
15. 9286819 - Display device, display method, integrated circuit, and program (2016-03-15),

Title: Katsuhiko Hayashi - Innovative Inventor from Nara, Japan

Introduction: Katsuhiko Hayashi is a renowned inventor hailing from Nara, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hayashi's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions.

Career Highlights: With over two decades of experience in research and development, Hayashi has worked with leading tech companies in Japan, spearheading projects that have revolutionized various industries.

Collaborations: Throughout his career, Hayashi has collaborated with top universities and research institutions in Japan, fostering a culture of innovation and knowledge-sharing to push the boundaries of technological advancements.

Conclusion: Katsuhiko Hayashi's dedication to innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and researchers worldwide.

Profile summary based on public USPTO records.
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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