% Expired Patents = 45.5

Forward Citations = 198

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8 inventors (with patents filed for the assignee):

Masahiro Tsujita (10 out of 17 patents)

Tsutomu Yamakawa (3 out of 10 patents)

Akitoshi Katsumata (3 out of 6 patents)

4. Tatsuya Nagano (3 out of 7 patents)

5. Koichi Ogawa (3 out of 73 patents)

6. Kazuhide Kitou (2 out of 3 patents)

7. Hideyuki Nagaoka (1 out of 4 patents)

8. Yoshitaka Yamauchi (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 9113799 - Radiation imaging apparatus and imaging method using radiation (2015-08-25),

2. 9084568 - Radiation imaging apparatus and imaging method using radiation (2015-07-21),

3. 8891845 - Image processing apparatus and image processing method (2014-11-18),

4. 7435184 - Bowling system using network (2008-10-14),

5. 6524192 - Bowling pin arrangement control device and its connecting unit (2003-02-25),

6. 6464595 - Automatic bowling scoring apparatus and bowling alley management system (2002-10-15),

7. 6325725 - Bowling alley management system (2001-12-04),

8. 6270421 - Display unit for bowling alley (2001-08-07),

9. 6230065 - Bowling score display apparatus (2001-05-08),

10. 6048272 - Automatic bowling scoring apparatus and bowling alley management system (2000-04-11),

11. 5241379 - Automatic bowling scoring system (1993-08-31),

Company Overview

Telesystems Co., Ltd., based in Osaka, Japan, specializes in advanced telecommunications and information technology solutions. The company focuses on developing innovative systems that enhance communication networks and improve data management. With a commitment to research and development, Telesystems is involved in various technology domains, including cloud computing, network infrastructure, and software applications. Their expertise supports a wide range of industries, contributing to the evolution of modern communication technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

11 Patents

#450 in Osaka

#4,134 in Japan

#51,714 in the World

Osaka, Japan

Telesystems Co., Ltd.

Forward Citations = 198

8 inventors:

Masahiro Tsujita (10 out of 17 patents)

Tsutomu Yamakawa (3 out of 10 patents)

Akitoshi Katsumata (3 out of 6 patents)

4. Tatsuya Nagano (3 out of 7 patents)

5. Koichi Ogawa (3 out of 73 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Telesystems Co., Ltd.. Retrieved from https://idiyas.com/company/telesystems-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]