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Yokohama, Japan

Hitachi Video Engineering, Incorporated

USPTO Granted Patents = 67

Forward Citations = 899

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192 inventors (with patents filed for the assignee):

Takuya Imaide (4 out of 65 patents)

Kiyoshi Kano (4 out of 17 patents)

Michitaka Ohsawa (4 out of 42 patents)

4. Yoshihiro Fukagawa (4 out of 9 patents)

5. Takehiko Sekine (4 out of 11 patents)

6. Takuya Mizokami (4 out of 19 patents)

7. Atsushi Saito (4 out of 73 patents)

8. Naozane Yoshida (4 out of 5 patents)

9. Kazuhiro Kaizaki (3 out of 14 patents)

10. Kenji Katsumata (3 out of 44 patents)

11. Hiroshi Sakurai (3 out of 21 patents)

12. Ikuo Nishida (3 out of 29 patents)

13. Hiroyuki Mano (3 out of 60 patents)

14. Makoto Shiomi (3 out of 7 patents)

15. Hidekazu Takeda (3 out of 26 patents)

Core Competencies:

Video Signal Processing

Liquid Crystal Display

Data Recording

Optical Recording

Focusing Apparatus

Magnetic Recording

Video Camera

Thermal Printer

Signal Processing Circuit

Digital Convergence

Tape Loading Mechanism

Image Pickup

67 patents: Sort by Forward Citations

1. 6125427 - Magnetic disc control apparatus with parallel data transfer between disc (2000-09-26),

2. 5854879 - Method and apparatus for multi-level tone display for liquid crystal (1998-12-29),

3. 5737632 - Magnetic disc control apparatus with parallel data transfer between disc (1998-04-07),

4. 5654757 - Focusing apparatus for video camera or the like (1997-08-05),

5. 5583530 - Liquid crystal display method and apparatus capable of making (1996-12-10),

6. 5523991 - Data recording/reproducing device (1996-06-04),

7. 5519683 - Information recording/reproducing device and method in which a (1996-05-21),

8. 5488595 - Optical information recording medium having a transitioning three bit (1996-01-30),

9. 5414470 - Sync signal generator for generating a second sync signal synchronized (1995-05-09),

10. 5408332 - Focusing apparatus for video camera or the like (1995-04-18),

11. 5383171 - Information recording/reproducing device and method for (1995-01-17),

12. 5321567 - Tape loading mechanism for a rotating drum and cassette tape recording (1994-06-14),

13. 5309170 - Half-tone representation system and controlling apparatus therefor (1994-05-03),

14. 5299015 - Image pickup apparatus and method and system for controlling the (1994-03-29),

15. 5266972 - Thermal printer for recording paper in the form of a roll (1993-11-30),

Company Overview

Hitachi Video Engineering, Incorporated, based in Yokohama, Japan, specializes in advanced video signal processing technologies. The company focuses on developing and manufacturing a range of products, including liquid crystal displays, data and optical recording systems, and video cameras. With expertise in magnetic recording and thermal printing, Hitachi Video Engineering plays a significant role in enhancing video quality and performance across various applications, contributing to the evolution of multimedia technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

67 Patents

#29 in Yokohama

#1,444 in Japan

#11,031 in the World

Yokohama, Japan

Hitachi Video Engineering, Incorporated

Forward Citations = 899

192 inventors:

Takuya Imaide (4 out of 65 patents)

Kiyoshi Kano (4 out of 17 patents)

Michitaka Ohsawa (4 out of 42 patents)

4. Yoshihiro Fukagawa (4 out of 9 patents)

5. Takehiko Sekine (4 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hitachi Video Engineering, Incorporated. Retrieved from https://idiyas.com/company/hitachi-video-engineering

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]

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