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For the Inventor, By the Inventor

Kawasaki, Japan

Hitoshi Hirakawa

USPTO Granted Patents = 47 


Average Co-Inventor Count = 4.1

ph-index = 7

Forward Citations = 268(Granted Patents)


Location History:

  • Akashi, JP (2001)
  • Kawasaki, JP (2000 - 2009)
  • Kobe, JP (2009 - 2012)
  • Hyogo, JP (2011 - 2014)
  • Takasago, JP (2001 - 2021)

Company Filing History:

goldMedal10 out of 14 
 
Shinoda Plasma Corporation
 patents
silverMedal10 out of 13 
 
Shinoda Plasma Co., Ltd.
 patents
bronzeMedal9 out of 39,228 
 
Fujitsu Corporation
 patents
4. 9 out of 180 
 
Fujitsu Hitachi Plasma Display Limited
 patents
5. 3 out of 42,485 
 
Hitachi, Ltd.
 patents
6. 2 out of 2 
 
Shikoh Tech LLC
 patents
7. 2 out of 2 
 
Shikoh Tech Co., Ltd.
 patents
8. 1 out of 29 
 
Hitachi Plasma Patent Licensing Co., Ltd.
 patents
9. 2 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 2000-2025

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47 patents (USPTO):
1. 12429190 - Ultraviolet radiation apparatus (2025-09-30),
2. 11011367 - Light-emitting tube array-type light source device (2021-05-18),
3. 10128100 - Drive method and drive circuit for light-emitting device using gas discharge, and ultraviolet irradiation device (2018-11-13),
4. 9947526 - Gas discharge device and flat light source using the same, and driving method therefor (2018-04-17),
5. 8816938 - Large-scale display device (2014-08-26),
6. 8330676 - Plasma tube array-type display device and luminance correcting method (2012-12-11),
7. 8310606 - Display device (2012-11-13),
8. 8305292 - Large-scale display device (2012-11-06),
9. 8207911 - Display device (2012-06-26),
10. 8093812 - Plasma tube array-type display sub-module and display device (2012-01-10),
11. 8089210 - Plasma tube array-type display sub-module and display device (2012-01-03),
12. 8076850 - Light emitting tube array, display device employing the light emitting tube array, and method of producing the light emitting tube array (2011-12-13),
13. 7902735 - Gas discharge tube, and display device having gas discharge tube arrays (2011-03-08),
14. 7880374 - Display device including gas discharge tubes sandwiched between a front support member and rear support members (2011-02-01),
15. 7816850 - Display device including gas discharge tubes, and method of manufacturing display device (2010-10-19),

Title: Hitoshi Hirakawa: Pioneering Inventor from Kawasaki

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

Latest Patents: Hitoshi Hirakawa 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 over two decades of experience in the industry, Hitoshi Hirakawa has worked with leading tech companies to develop cutting-edge products that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Throughout his career, Hitoshi Hirakawa has collaborated with top researchers, engineers, and designers to bring his innovative ideas to life, fostering a culture of creativity and collaboration in the tech industry.

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

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