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Hitachi Maxell, Limited

USPTO Granted Patents = 1,112

% Expired Patents = 21.9

CIPO Patents = 1

EPO Patents = 45

Trademarks = 4

Forward Citations = 10,085

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1,155 inventors (with patents filed for the assignee):

Sadamu Kuse (39 out of 40 patents)

Katsusuke Shimazaki (33 out of 40 patents)

Mikio Kishimoto (32 out of 35 patents)

4. Motoyasu Terao (30 out of 179 patents)

5. Norio Ohta (29 out of 65 patents)

6. Hideo Fujiwara (28 out of 51 patents)

7. Harukazu Miyamoto (26 out of 228 patents)

8. Hiroyuki Minemura (25 out of 225 patents)

9. Shigeo Aoyama (23 out of 26 patents)

10. Toshinori Sugiyama (22 out of 24 patents)

11. Hikaru Mizutani (22 out of 24 patents)

12. Shoji Saibara (22 out of 23 patents)

13. Masafumi Yoshihiro (21 out of 24 patents)

14. Yoshitake Kato (21 out of 26 patents)

15. Nobuaki Kabuto (20 out of 102 patents)

Core Competencies:

Video Processing

Imaging Device

Projector

Video Display

Image Encoding

Optical Device

Solid-State Light Source

Digital Content Receiver

Non-Aqueous Electrolyte Battery

Infrared Lens Unit

Light Source Device

Multimedia Player

1,112 patents: Sort by Forward Citations

1. 9992469 - Imaging processing device and imaging processing method (2018-06-05),

2. 9955131 - Projector and image display method (2018-04-24),

3. 9942596 - Video processing system for demultiplexing received compressed and non- compressed video signals and transmitting demultiplexed signals (2018-04-10),

4. 9942529 - Image projection device (2018-04-10),

5. 9942483 - Information processing device and method using display for auxiliary light (2018-04-10),

6. 9933553 - Optical element and optical device (2018-04-03),

7. 9931063 - Sensor for measuring motor function, a plastic band, and a device for measuring motor function (2018-04-03),

8. 9930397 - Broadcast receiving device (2018-03-27),

9. 9927923 - Projection-type video display device (2018-03-27),

10. 9924124 - Video display apparatus and terminal apparatus (2018-03-20),

11. 9915764 - Diffractive lens and optical device using the same (2018-03-13),

12. 9906828 - Video processing system for demultiplexing received compressed and non-compressed video signals and transmitting demultiplexed signals (2018-02-27),

13. 9906808 - Moving picture decoding method and moving picture encoding method (2018-02-27),

14. 9904152 - Solid-state light source device (2018-02-27),

15. 9900569 - Projection-type image display device (2018-02-20),

Hitachi Maxell, Ltd. is a Japanese company that manufactures and sells consumer and industrial products. With a wide range of offerings including batteries, audio and video tapes, optical discs, and electronic materials, Hitachi Maxell has established itself as a leading player in various industries. The company's focus on innovation and quality has made it a trusted brand worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

1,112 Patents

#24 in Osaka

#207 in Japan

#919 in the World

Hitachi Maxell, Limited

Forward Citations = 10,085

1,155 inventors:

Sadamu Kuse (39 out of 40 patents)

Katsusuke Shimazaki (33 out of 40 patents)

Mikio Kishimoto (32 out of 35 patents)

4. Motoyasu Terao (30 out of 179 patents)

5. Norio Ohta (29 out of 65 patents)

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