For the Inventor, By the Inventor

Enter assignee name

A · T Communications Co., Ltd.

Calculating rank

USPTO Granted Patents = 14

% Expired Patents = 35.7

EPO Patents = 12

Forward Citations = 34

Loading Chart...

Loading Chart...

20 inventors (with patents filed for the assignee):

Youichi Azuma (8 out of 10 patents)

Hiroshi Toyoizumi (5 out of 6 patents)

Tomoko Shinotani (3 out of 3 patents)

4. Takafumi Kakioka (2 out of 2 patents)

5. Hideaki Kishi (2 out of 14 patents)

6. Hiroshi Ideguchi (2 out of 2 patents)

7. Makoto Kawabe (2 out of 2 patents)

8. Hidenobu Oso (2 out of 2 patents)

9. Ryusuke Saito (2 out of 4 patents)

10. Masahiro Watanabe (2 out of 74 patents)

11. Tetsuya Takahashi (1 out of 75 patents)

12. Maya Takami (1 out of 2 patents)

13. Toshiki Nishiyama (1 out of 1 patent)

14. Takuji Tokiwa (1 out of 1 patent)

15. Ken-ichi Sakina (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 11443068 - Data recovery device, data management server, data management system, data recovery method and program (2022-09-13),

2. 11200344 - Data recovery device, data management server, data management system, data recovery method and program (2021-12-14),

3. 10360821 - Sentence recognition device, sentence recognition method, and recording medium (2019-07-23),

4. 10102463 - Two-dimensional code generation device, two-dimensional code generation method, and non-transitory computer-readable recording medium (2018-10-16),

5. 9654291 - Authentication server, authentication system, authentication method, and program (2017-05-16),

6. 9547815 - Apparatuses and methods generating a two-dimensional code with a logo (2017-01-17),

7. 9436852 - Two-dimensional code authenticating device, two-dimensional code generating device, two-dimensional code authenticating method, and program (2016-09-06),

8. 9208421 - Apparatuses and methods generating a two-dimensional code with a logo (2015-12-08),

9. 8860699 - Two-dimensional code display system, two-dimensional code display method, and program (2014-10-14),

10. 8851392 - Two-dimensional code display apparatus, two-dimensional code display method, and program (2014-10-07),

11. 8526670 - Two-dimensional code with a logo (2013-09-03),

12. 8498443 - Watermark information embedding device, watermark information processing system, watermark information embedding method, and program (2013-07-30),

13. 8379052 - Two-dimensional code display system, two-dimensional code display method, and program (2013-02-19),

14. 8144922 - Two-dimensional code with a logo (2012-03-27),

Company Overview

A · T Communications Co., Ltd. is a Tokyo-based company specializing in advanced telecommunications solutions and innovative communication technologies. The organization focuses on developing systems that enhance connectivity and streamline communication processes across various sectors. With a commitment to research and development, A · T Communications is dedicated to pushing the boundaries of technology, particularly in areas such as network infrastructure and digital communication systems, serving both local and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

14 Patents

#1,600 in Tokyo

#3,585 in Japan

#42,312 in the World

A · T Communications Co., Ltd.

Forward Citations = 34

20 inventors:

Youichi Azuma (8 out of 10 patents)

Hiroshi Toyoizumi (5 out of 6 patents)

Tomoko Shinotani (3 out of 3 patents)

4. Takafumi Kakioka (2 out of 2 patents)

5. Hideaki Kishi (2 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: A · T Communications Co., Ltd.. Retrieved from https://idiyas.com/company/a-t-communications-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]

Loading…