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Hitachi Maxwell, Ltd.

USPTO Granted Patents = 56

% Expired Patents = 33.9

Forward Citations = 431

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187 inventors (with patents filed for the assignee):

Harukazu Miyamoto (5 out of 228 patents)

Yoshitake Kato (5 out of 26 patents)

Katsusuke Shimazaki (4 out of 40 patents)

4. Makoto Miyamoto (4 out of 54 patents)

5. Hitoshi Watanabe (3 out of 109 patents)

6. Motoyasu Terao (3 out of 179 patents)

7. Tsuyoshi Maro (3 out of 19 patents)

8. Kazuhiko Daido (3 out of 9 patents)

9. Norio Ohta (3 out of 65 patents)

10. Toshio Niihara (3 out of 22 patents)

11. Akihiko Kanouda (2 out of 74 patents)

12. Masato Isogai (2 out of 22 patents)

13. Hiroyuki Minemura (2 out of 225 patents)

14. Hiroyuki Hirata (2 out of 6 patents)

15. Yoichi Ogawa (2 out of 9 patents)

Core Competencies:

Electric Storage Device

Laser Projector

Compressed Image Noise Removal

Electrochemical Device

Optical Pickup Lens

Biometrics Authentication

Nonaqueous Secondary Battery

Magnetic Recording Medium

Optical Recording Medium

Information Recording Apparatus

Plasma CVD Apparatus

Light Shield Sheet

56 patents: Sort by Forward Citations

1. 9787119 - Electric storage device and method for charging same (2017-10-10),

2. 9122145 - Laser projector with reduced speckle (2015-09-01),

3. 8929439 - Compressed image noise removal device and reproduction device (2015-01-06),

4. D718802 - Projector (2014-12-02),

5. 8822082 - Separator for electrochemical device, electrode for electrochemical device, and electrochemical device (2014-09-02),

6. 8427926 - Optical pickup lens (2013-04-23),

7. 8404163 - Method for producing molded article (2013-03-26),

8. 8027519 - Imaging module for biometrics authentication, biometrics authentication apparatus and prism (2011-09-27),

9. 7965469 - Tape cartridge and tape loading system using same (2011-06-21),

10. 7884898 - Optical sheet for backlight, backlight, and display device (2011-02-08),

11. 7829061 - Zirconium oxide hydrate particles and method for producing the same (2010-11-09),

12. 7787349 - Optical pickup lens and optical pickup apparatus (2010-08-31),

13. 7748638 - Non-contact IC module (2010-07-06),

14. 7495415 - DC backup power supply system (2009-02-24),

15. 7477587 - Information-recording method and information-recording medium (2009-01-13),

Hitachi Maxwell, Ltd. is a multinational conglomerate company specializing in various industries such as energy, infrastructure, advanced materials, and financial services. With a rich history dating back to its establishment in 1910, the company has grown to become a leading provider of innovative solutions and products for diverse sectors globally. Hitachi Maxwell, Ltd. is committed to contributing to society through its cutting-edge technologies and comprehensive range of offerings.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

56 Patents

#175 in Osaka

#1,606 in Japan

#12,719 in the World

Hitachi Maxwell, Ltd.

Forward Citations = 431

187 inventors:

Harukazu Miyamoto (5 out of 228 patents)

Yoshitake Kato (5 out of 26 patents)

Katsusuke Shimazaki (4 out of 40 patents)

4. Makoto Miyamoto (4 out of 54 patents)

5. Hitoshi Watanabe (3 out of 109 patents)

Please report any incorrect information to [email protected]

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