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Maxell, Ltd.

USPTO Granted Patents = 986

% Expired Patents = 1.2

EPO Patents = 114

Trademarks = 11

Forward Citations = 753

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411 inventors (with patents filed for the assignee):

Yasunobu Hashimoto (211 out of 219 patents)

Kazuhiko Yoshizawa (196 out of 228 patents)

Takuya Shimizu (98 out of 109 patents)

4. Nobuo Masuoka (97 out of 137 patents)

5. Koji Hirata (91 out of 268 patents)

6. Hiroshi Shimizu (77 out of 93 patents)

7. Toshinori Sugiyama (69 out of 69 patents)

8. Motoyuki Suzuki (67 out of 143 patents)

9. Osamu Kawamae (60 out of 60 patents)

10. Mayumi Nakade (49 out of 64 patents)

11. Masahiko Yatsu (47 out of 149 patents)

12. Takashi Matsubara (46 out of 154 patents)

13. Hitoshi Akiyama (46 out of 58 patents)

14. Nobuaki Kabuto (43 out of 102 patents)

15. Yasuhiko Kunii (37 out of 38 patents)

Core Competencies:

Information Display

Augmented Reality

Imaging Lens

Broadcast Receiver

Wireless Power

Electrocardiographic Signal

Image Processing

Head-Mounted Display

Portable Terminal

Video Display

Battery Technology

Biological Information

986 patents: Sort by Forward Citations

1. 12762837 - Image processing device, image processing system, image processing method, and program (2026-10-13),

2. RE51056 - Information processing apparatus (2026-10-06),

3. 12756893 - Broadcast receiving device (2026-10-06),

4. 12749739 - Negative electrode for aqueous electrolyte cell and sheet-type cell (2026-09-29),

5. 12746742 - Co-extruded sheet (2026-09-29),

6. 12744268 - Flat-shaped all-solid battery and method for manufacturing same (2026-09-22),

7. 12743905 - Wearable device and behavior evaluation system (2026-09-22),

8. 12738571 - Sheet-type air cell, method for manufacturing the same, and patch (2026-09-15),

9. 12738138 - Information providing device, information providing method, and alerting device (2026-09-15),

10. 12737242 - Information processing system, information processing method, and information processing terminal (2026-09-15),

11. 12730518 - Air floating video information display system (2026-09-08),

12. 12725886 - All-solid-state battery (2026-09-01),

13. 12724580 - Information processing apparatus, photographed image transfer and display system, and photographed image transfer and display method (2026-09-01),

14. 12717162 - Air floating video display apparatus (2026-08-25),

15. 12717161 - Air floating video display apparatus including multi-layered polarization separators and a crosstalk shielding member (2026-08-25),

Company Overview

Maxell, Ltd., headquartered in Kyoto, Japan, specializes in advanced information display technology and related innovations. The company is engaged in the development and manufacturing of a diverse range of products, including imaging lenses, broadcast receivers, and head-mounted displays. Maxell also explores cutting-edge domains such as augmented reality, wireless power, and electrocardiographic signal processing, positioning itself at the forefront of technological advancements in imaging and display solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

986 Patents

#10 in Kyoto 615-0031

#234 in Japan

#1,047 in the World

Maxell, Ltd.

Forward Citations = 753

411 inventors:

Yasunobu Hashimoto (211 out of 219 patents)

Kazuhiko Yoshizawa (196 out of 228 patents)

Takuya Shimizu (98 out of 109 patents)

4. Nobuo Masuoka (97 out of 137 patents)

5. Koji Hirata (91 out of 268 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Maxell, Ltd.. Retrieved from https://idiyas.com/company/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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