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Chiba-ken, Japan

Hitachi Electronic Devices Co., Ltd.

USPTO Granted Patents = 23

Forward Citations = 151

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46 inventors (with patents filed for the assignee):

Koji Hashimoto (5 out of 15 patents)

Seiichi Nishiyama (5 out of 13 patents)

Shigetake Takaku (5 out of 12 patents)

4. Yoshiharu Takeda (5 out of 11 patents)

5. Shigeo Mikoshiba (5 out of 36 patents)

6. Tomokazu Shiga (5 out of 14 patents)

7. Toshio Ogura (3 out of 9 patents)

8. Masayuki Aoyagi (3 out of 4 patents)

9. Yasushi Morika (3 out of 4 patents)

10. Yoshiaki Takahashi (2 out of 43 patents)

11. Toshihiro Yajima (2 out of 6 patents)

12. Yusuke Baba (2 out of 4 patents)

13. Hisao Hirayama (2 out of 5 patents)

14. Shoji Shirai (2 out of 56 patents)

15. Takeshi Mera (2 out of 10 patents)

23 patents: Sort by Forward Citations

1. 7990361 - Liquid crystal display device having an improved backlight (2011-08-02),

2. 7753578 - Liquid crystal display (2010-07-13),

3. 7714954 - Liquid crystal display device (2010-05-11),

4. 7542108 - Liquid crystal display device (2009-06-02),

5. 7486348 - Liquid crystal display device (2009-02-03),

6. 7283194 - Liquid crystal display (2007-10-16),

7. 7202920 - Liquid crystal display device (2007-04-10),

8. 7077543 - Liquid crystal display (2006-07-18),

9. 6985131 - Liquid crystal display device (2006-01-10),

10. 6956556 - Liquid crystal display device having an improved backlight (2005-10-18),

11. 6847159 - Projection tube having different neck diameters (2005-01-25),

12. 5936338 - Color display system utilizing double quadrupole lenses under optimal (1999-08-10),

13. 5886759 - Liquid crystal display device having a side edge type back light system (1999-03-23),

14. 5872423 - Color cathode ray tube having an improved first grid electrode (1999-02-16),

15. 5861716 - Magnetron having a cathode mount with a grooved recess for securely (1999-01-19),

Hitachi Electronic Devices Co., Ltd. specializes in the development and manufacturing of advanced electronic devices. With a focus on semiconductor solutions, Hitachi Electronic Devices delivers a wide range of high-quality products for various industries, including automotive, industrial, and consumer electronics. Their extensive product portfolio includes power devices, microcontroller units, RF devices, and display drivers. Recognized for their reliability and innovative technology, Hitachi Electronic Devices continues to contribute to the advancement of the electronics industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

23 Patents

#2 in Chiba-ken

#2,645 in Japan

#26,820 in the World

Chiba-ken, Japan

Hitachi Electronic Devices Co., Ltd.

Forward Citations = 151

46 inventors:

Koji Hashimoto (5 out of 15 patents)

Seiichi Nishiyama (5 out of 13 patents)

Shigetake Takaku (5 out of 12 patents)

4. Yoshiharu Takeda (5 out of 11 patents)

5. Shigeo Mikoshiba (5 out of 36 patents)

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