Forward Citations = 293

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25 inventors (with patents filed for the assignee):

Takehiko Yoshino (3 out of 7 patents)

Masaaki Fukuda (3 out of 5 patents)

Tatsuo Kayano (3 out of 5 patents)

4. Kazuhiro Sato (2 out of 79 patents)

5. Yoshizumi Eto (2 out of 33 patents)

6. Michio Masuda (2 out of 39 patents)

7. Hisakichi Yamane (2 out of 4 patents)

8. Akio Yanagimachi (2 out of 7 patents)

9. Hiroaki Nabeyama (2 out of 10 patents)

10. Eiichi Sawabe (2 out of 4 patents)

11. Takashi Uehara (2 out of 4 patents)

12. Teruhiro Takezawa (2 out of 7 patents)

13. Shizuka Ishibashi (2 out of 5 patents)

14. Yuichi Ono (1 out of 31 patents)

15. Toshio Nakano (1 out of 92 patents)

7 patents: Sort by Forward Citations

1. 4000716 - Epitaxial growth device (1977-01-04),

2. 3999011 - Method and system for controlling electron beam quantity in camera tube (1976-12-21),

3. 3997810 - Color pickup tube face plate with opaque shading stripes overlapping (1976-12-14),

4. 3988528 - Signal transmission system for transmitting a plurality of information (1976-10-26),

5. 3975657 - Method of and apparatus for controlling amount of electron beam in image (1976-08-17),

6. 3941920 - Receiver for a still picture broadcasting signal (1976-03-02),

7. 3936595 - Signal transmission system for transmitting programed information such (1976-02-03),

Company Overview

Hitachi Electronics Co., Ltd. is a leading global technology company that offers a wide range of products and services in the electronics industry. With a strong commitment to innovation and quality, the company has established itself as a trusted partner for customers worldwide. From consumer electronics to industrial solutions, Hitachi Electronics continues to drive advancements in technology to improve the way we live and work.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#2,284 in Tokyo

#5,450 in Japan

Tokyo, Japan

Hitachi Electronics Co., Ltd.

Forward Citations = 293

25 inventors:

Takehiko Yoshino (3 out of 7 patents)

Masaaki Fukuda (3 out of 5 patents)

Tatsuo Kayano (3 out of 5 patents)

4. Kazuhiro Sato (2 out of 79 patents)

5. Yoshizumi Eto (2 out of 33 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Electronics Co., Ltd.. Retrieved from https://idiyas.com/company/hitachi-electronics-company

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

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]