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Kyushu Hitachi Maxell, Ltd.

USPTO Granted Patents = 37

% Expired Patents = 5.4

Forward Citations = 1,137

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56 inventors (with patents filed for the assignee):

Hisanori Akashi (6 out of 7 patents)

Moritaka Taniguchi (5 out of 9 patents)

Masahiko Ochiai (5 out of 5 patents)

4. Hironobu Nagano (5 out of 6 patents)

5. Takanori Nishiyama (5 out of 6 patents)

6. Eiji Sakata (4 out of 4 patents)

7. Toshiyuki Moriya (4 out of 24 patents)

8. Toshiro Higa (4 out of 7 patents)

9. Hiroshi Shimazu (3 out of 5 patents)

10. Shigeharu Sayama (2 out of 7 patents)

11. Kazuhiko Inoue (2 out of 2 patents)

12. Yasuo Yamashita (2 out of 2 patents)

13. Isao Imagawa (2 out of 2 patents)

14. Yoshihiro Kobayashi (2 out of 2 patents)

15. Katuaki Shitama (2 out of 2 patents)

Core Competencies:

Electric Razor

High-Frequency Substrate

Induction Charging

Electric Shaver

Squeegee

Hair Dryer

Electric Trimmer

Rotary Razor

Temperature Measurement

Rechargeable Appliance

Electric Nail Polisher

Portable Flashlight

37 patents: Sort by Forward Citations

1. 7780877 - High-frequency substrate and production method therefor (2010-08-24),

2. D520188 - Electric razor (2006-05-02),

3. D512183 - Electric razor (2005-11-29),

4. D505751 - Electric razor (2005-05-31),

5. D505550 - Hairbrush (2005-05-31),

6. 6805274 - Solder ball attracting mask and its manufacturing method (2004-10-19),

7. D405230 - Electric shaver (1999-02-02),

8. 5826516 - Squeegee for screen printing and its production method (1998-10-27),

9. 5775219 - Squeegee for screen printing (1998-07-07),

10. 5745995 - Electric shaver with swinging cutter unit (1998-05-05),

11. D377997 - Electric shaver (1997-02-11),

12. 5550452 - Induction charging apparatus (1996-08-27),

13. D367946 - Electric shaver (1996-03-12),

14. 5197196 - Spiral cutter for use in an electric razor and a method for (1993-03-30),

15. D328367 - Electric shaver (1992-07-28),

Company Overview

Kyushu Hitachi Maxell, Ltd. is a prominent Japanese company specializing in the development and manufacturing of a diverse range of electronic products and materials. The organization focuses on advanced technologies in areas such as energy storage solutions, imaging products, and various consumer electronics. With a strong emphasis on innovation, the company aims to enhance the quality of life through its cutting-edge technologies and products, serving both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

37 Patents

#11 in Fukuoka

#2,059 in Japan

#18,299 in the World

Kyushu Hitachi Maxell, Ltd.

Forward Citations = 1,137

56 inventors:

Hisanori Akashi (6 out of 7 patents)

Moritaka Taniguchi (5 out of 9 patents)

Masahiko Ochiai (5 out of 5 patents)

4. Hironobu Nagano (5 out of 6 patents)

5. Takanori Nishiyama (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kyushu Hitachi Maxell, Ltd.. Retrieved from https://idiyas.com/company/kyushu-hitachi-maxell

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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