IDiyas

For the Inventor, By the Inventor

Kawasaki, Japan

Keiji Hayashi

USPTO Granted Patents = 54 

 

Average Co-Inventor Count = 3.0

ph-index = 12

Forward Citations = 671(Granted Patents)

Forward Citations (Not Self Cited) = 666(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Kawaski, JP (2000)
  • Fukuyama, JP (2002)
  • Yamatotakada, JP (2008 - 2010)
  • Kawasaki, JP (1998 - 2012)
  • Kameyama, JP (2011 - 2013)
  • Osaka, JP (1997 - 2014)
  • Ibaraki, JP (2015 - 2024)

Company Filing History:

goldMedal26 out of 25,530 
 
Sharp Kabushiki Kaisha Corporation
 patents
silverMedal13 out of 39,228 
 
Fujitsu Corporation
 patents
bronzeMedal9 out of 3,868 
 
Nitto-denko Corporation
 patents
4. 4 out of 861 
 
Kansai Paint Company, Ltd.
 patents
5. 3 out of 103 
 
Fujitsu Display Technologies Corporation
 patents
6. 1 out of 6 
 
Fujitsu Kasei Limited
 patents
7. 1 out of 4,573 
 
Au Optronics Corporation
 patents
8. 3 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1997-2024

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54 patents (USPTO):Explore Patents
1. 11945984 - Reinforcing film (2024-04-02),
2. 11492520 - Reinforcing film (2022-11-08),
3. 9089930 - Surface protection sheet for laser material processing (2015-07-28),
4. 8794779 - Lighting device, display device and television receiver (2014-08-05),
5. 8791966 - Display device and electric apparatus (2014-07-29),
6. 8556455 - Lighting device, display device and television receiver (2013-10-15),
7. 8417127 - Infrared communications receiver (2013-04-09),
8. 8415898 - Connector, a lamp connector, a lamp connection checking circuit, and an illumination device (2013-04-09),
9. 8406632 - Infrared communications receiver (2013-03-26),
10. 8267536 - Power supply unit and display device (2012-09-18),
11. 8263220 - Work subject material, surface protection sheet and method of working (2012-09-11),
12. 8253681 - Light source device, a display device and a television receiver (2012-08-28),
13. 8111225 - Liquid crystal display device having a plurality of subfields (2012-02-07),
14. 8093816 - Cold cathode tube lamp (2012-01-10),
15. 8049711 - Illumination device and liquid crystal display device using the same (2011-11-01),

Title: Keiji Hayashi - Pioneering Inventor from Kawasaki, JP

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

Latest Patents: Keiji Hayashi holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Keiji Hayashi has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Keiji Hayashi has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Keiji Hayashi's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a trailblazer in the world of inventions, inspiring the next generation of inventors to push the boundaries of what is possible.

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