Hitoshi Hirakawa

This inventor holds 47 USPTO granted patents and 6 published patent applications and 2 EPO patents, primarily in Plasma Display Technology. Top assignees: Shinoda Plasma Co., Ltd., Shinoda Plasma Corporation, Fujitsu Corporation. Active years: 2000-2025.

USPTO Granted Patents = 47 (Patent Applications = 6)

% Patents Active = 27.7

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 4.1

ph-index = 7

Forward Citations = 269(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:

10 out of 13

Shinoda Plasma Co., Ltd.

patents

10 out of 14

Shinoda Plasma Corporation

Fujitsu Hitachi Plasma Display Limited

Shikoh Tech Co., Ltd.

Hitachi Plasma Patent Licensing Co., Ltd.

patents

9. 2 out of 834,453

Other

patents

where one patent can have more than one assignee

Years Active: 2000-2025

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Areas of Expertise:

Plasma Display Panel

Gas Discharge Device

Light-Emitting Tube

Display Device

Driving Method

Large-Scale Display

Color Display

Arc Tube Array

47 patents (USPTO):Sort by Forward CitationsExplore Patents

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.