Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
289 Patents
#286 in Tokyo
#554 in Japan
#3,083 in the World
Kantatsu Co., Ltd.
Forward Citations = 762
34 inventors:
Kantatsu Co., Ltd.
Calculating rank
% Expired Patents = 20.8
Trademarks = 2
Forward Citations = 762
Loading Chart...
Loading Chart...
34 inventors (with patents filed for the assignee):
Yoji Kubota (145 out of 170 patents)
Hitoshi Hirano (133 out of 179 patents)
Kenichi Kubota (132 out of 155 patents)
4. Tomohiro Yonezawa (65 out of 76 patents)
5. Masaya Hashimoto (63 out of 94 patents)
6. Hisao Fukaya (61 out of 86 patents)
7. Yoshio Ise (44 out of 45 patents)
8. Yukio Sekine (32 out of 59 patents)
9. Ichiro Kurihara (26 out of 28 patents)
10. Sayuri Noda (22 out of 22 patents)
11. Shingo Yuza (9 out of 16 patents)
12. Hisanori Suzuki (9 out of 9 patents)
13. Tohru Ishizaka (7 out of 7 patents)
14. Koji Nitta (6 out of 23 patents)
15. Kenichi Kamada (5 out of 20 patents)
Core Competencies:
Optical System
Imaging Lens
Pattern Forming Sheet
Circuit Pattern Manufacturing
Light Shielding
Lens Design
Optical Element
Manufacturing Apparatus
Image Processing
Optical Engineering
Lens Optimization
Light Management
289 patents:
Company Overview
Kantatsu Co., Ltd., based in Tokyo, specializes in advanced imaging lens technology, focusing on the development and manufacturing of optical systems and imaging lenses. The company is recognized for its expertise in creating innovative solutions for circuit pattern manufacturing and light shielding applications. With a strong emphasis on lens design and optical elements, Kantatsu plays a pivotal role in enhancing imaging capabilities across various industries, contributing to advancements in optical technologies and manufacturing apparatus.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kantatsu Co., Ltd.. Retrieved from https://idiyas.com/company/kantatsu-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]
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]
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]