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Yokohamashi, Japan

Hitachi Consumer Electronics Co., Ltd.

USPTO Granted Patents = 365

EPO Patents = 47

Forward Citations = 1,091

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418 inventors (with patents filed for the assignee):

Koji Hirata (21 out of 255 patents)

Koichiro Nishimura (19 out of 47 patents)

Satoshi Ouchi (17 out of 104 patents)

4. Takahiro Kurokawa (15 out of 76 patents)

5. Masahiko Yatsu (13 out of 147 patents)

6. Harukazu Miyamoto (13 out of 228 patents)

7. Hiroo Okamoto (12 out of 138 patents)

8. Yoshinori Suzuki (12 out of 157 patents)

9. Koichi Watanabe (12 out of 49 patents)

10. Masakazu Ikeda (12 out of 21 patents)

11. Soichiro Eto (11 out of 27 patents)

12. Kenji Akahoshi (11 out of 17 patents)

13. Yoshihiro Iwama (11 out of 35 patents)

14. Atsushi Ishibashi (11 out of 51 patents)

15. Yuta Kawaguchi (11 out of 13 patents)

Core Competencies:

Optical Information Processing

Hologram Reproducing Apparatus

Monocular Holographic Data Storage

Laser Projector

Multilayered Optical Disk

Data Archive System

Optical Disk Device

Channel Bitword Processor

Optical Information Reproduction

Information Recording Method

Optical Pickup

Projection Display System

365 patents: Sort by Forward Citations

1. 10037775 - Optical information device and optical information processing method (2018-07-31),

2. 9966106 - Optical information recording device and optical information recording method (2018-05-08),

3. 9940966 - Optical information reproduction device and optical information reproduction method (2018-04-10),

4. 9940964 - Optical information recording/reproducing device, optical information reproducing device, and optical information reproducing method (2018-04-10),

5. 9824713 - Light information device and light information processing method (2017-11-21),

6. 9786312 - Hologram reproducing apparatus and hologram reproducing method (2017-10-10),

7. 9761263 - Optical information recording and reproducing device, optical information recording and reproducing method (2017-09-12),

8. 9715426 - Monocular holographic data storage system and method thereof (2017-07-25),

9. 9653107 - Hologram recording and playback device and hologram playback method (2017-05-16),

10. 9607648 - Recording/reproducing apparatus and recording medium (2017-03-28),

11. 9601147 - Optical information recording and reproducing apparatus and optical information recording and reproducing method (2017-03-21),

12. 9551917 - Light source unit and projection display system using same (2017-01-24),

13. 9508377 - Hologram recording and reproducing device, and angular multiplexing recording and reproducing method (2016-11-29),

14. 9406344 - Optical information recording/reproduction device, and optical information recording/reproduction method (2016-08-02),

15. 9390742 - Hologram recording device and hologram recording method (2016-07-12),

Hitachi Consumer Electronics Co., Ltd. is a leading global manufacturer of electronic products and solutions. With a focus on innovation and advanced technology, the company offers a wide range of consumer electronics including televisions, air conditioners, refrigerators, washing machines, and more. With a commitment to quality and customer satisfaction, Hitachi Consumer Electronics is dedicated to providing reliable and cutting-edge products to enhance everyday life.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

365 Patents

#1 in Yokohamashi

#450 in Japan

#2,438 in the World

Yokohamashi, Japan

Hitachi Consumer Electronics Co., Ltd.

Forward Citations = 1,091

418 inventors:

Koji Hirata (21 out of 255 patents)

Koichiro Nishimura (19 out of 47 patents)

Satoshi Ouchi (17 out of 104 patents)

4. Takahiro Kurokawa (15 out of 76 patents)

5. Masahiko Yatsu (13 out of 147 patents)

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