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Tamron Company, Ltd.

USPTO Granted Patents = 208

% Expired Patents = 49.0

EPO Patents = 7

Trademarks = 11

Forward Citations = 787

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139 inventors (with patents filed for the assignee):

Yoshito Iwasawa (19 out of 40 patents)

Dayong Li (16 out of 17 patents)

Hisayuki Yamanaka (13 out of 13 patents)

4. Yasuhiko Obikane (11 out of 11 patents)

5. Lai Wei (8 out of 8 patents)

6. Akio Arakawa (8 out of 8 patents)

7. Toshiya Segawa (7 out of 7 patents)

8. Naoto Shiga (7 out of 7 patents)

9. Takayoshi Noji (7 out of 7 patents)

10. Koji Kawaguchi (6 out of 6 patents)

11. Kazuya Watanabe (6 out of 6 patents)

12. Keisuke Okada (6 out of 6 patents)

13. Takahiko Sakai (6 out of 6 patents)

14. Takahiro Mitsuhashi (6 out of 6 patents)

15. Nobuyuki Adachi (6 out of 29 patents)

Core Competencies:

Optical System

Zoom Lens

Imaging Device

Lens Control

Thermal Radiation

Photoacoustic Element

Gas Detection

Cemented Lens

Image Stabilization

Observation Imaging

Infrared Lens

Wide Angle Zoom

208 patents: Sort by Forward Citations

1. 12736782 - Imaging lens comprising seven to nine lenses having independent resin lens sets and imaging device (2026-09-15),

2. 12736467 - Spectroscopic apparatus and gas detection apparatus (2026-09-15),

3. 12727764 - Dental caries detection device (2026-09-08),

4. 12724230 - Imaging lens and imaging apparatus (2026-09-01),

5. 12721526 - Caries detection device (2026-09-01),

6. 12635884 - Image forming apparatus (2026-05-26),

7. 12585051 - Adjustment device and optical communication device (2026-03-24),

8. 12457414 - Lens control device, lens system, and program for controlling a lens to image a subject based on a distance between the lens and subject (2025-10-28),

9. 12455415 - Signal light transmission member (2025-10-28),

10. 12416794 - Optical system and imaging apparatus (2025-09-16),

11. 12416540 - Gas detection system and gas detection device (2025-09-16),

12. 12396067 - Thermal radiation element, thermal radiation element module, and thermal radiation light source (2025-08-19),

13. 12389107 - Lens system and program for controlling a touch display (2025-08-12),

14. 12372743 - Optical system and imaging device (2025-07-29),

15. 12276778 - Zoom lens and imaging device (2025-04-14),

Company Overview

Tamron Company, Ltd., headquartered in Saitama, Japan, specializes in the development and manufacturing of advanced optical systems. The company is renowned for its expertise in zoom lenses and imaging devices, catering to a diverse range of applications including photography, surveillance, and industrial uses. Tamron's innovative technologies encompass lens control mechanisms, thermal radiation solutions, photoacoustic elements, and gas detection systems, positioning it as a key player in the optical technology sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

208 Patents

#15 in Saitama 343-0827

#688 in Japan

#4,092 in the World

Tamron Company, Ltd.

Forward Citations = 787

139 inventors:

Yoshito Iwasawa (19 out of 40 patents)

Dayong Li (16 out of 17 patents)

Hisayuki Yamanaka (13 out of 13 patents)

4. Yasuhiko Obikane (11 out of 11 patents)

5. Lai Wei (8 out of 8 patents)

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

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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