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Toyota Mapmaster Inc.

USPTO Granted Patents = 14

% Expired Patents = 57.1

CIPO Patents = 1

EPO Patents = 3

Trademarks = 1

Forward Citations = 24

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35 inventors (with patents filed for the assignee):

Kenta Nakanishi (4 out of 4 patents)

Cheng Li (4 out of 4 patents)

Yumiko Yamashita (3 out of 4 patents)

4. Satoru Deguchi (3 out of 3 patents)

5. Kazuteru Maekawa (2 out of 35 patents)

6. Sadahiro Koshiba (2 out of 15 patents)

7. Atsushi Inoue (2 out of 9 patents)

8. Kazuhito Baba (2 out of 2 patents)

9. Masahiro Tsujiko (2 out of 2 patents)

10. Kenji Yano (2 out of 2 patents)

11. Hironobu Sugimoto (2 out of 36 patents)

12. Yuichi Ochi (2 out of 2 patents)

13. Yoshikatsu Matsumoto (2 out of 2 patents)

14. Shintaro Ohsaki (2 out of 2 patents)

15. Xin Jin (1 out of 31 patents)

14 patents: Sort by Forward Citations

1. 11182605 - Search device, search method, search program, and recording medium (2021-11-23),

2. 10614065 - Controlling search execution time for voice input facility searching (2020-04-07),

3. 10533859 - Map update system, navigation device, server device, map update method, navigation method, server device control method, and tangible non-transitory computer-readable storage medium containing computer program (2020-01-14),

4. 10393536 - Probe information processing system, method for processing probe information, and tangible non-transitory computer-readable storage medium containing computer program (2019-08-27),

5. 10234304 - Map information creating device, navigation system, information display method, information display program, and recording medium (2019-03-19),

6. 10190884 - Navigation system, POI presentation method, POI presentation program, and recording medium (2019-01-29),

7. 9605967 - Tunnel entrance specification device and method thereof, computer program for specifying tunnel entrance, and recording medium on which computer program is recorded (2017-03-28),

8. 9142147 - Map database generating systems, methods, and programs (2015-09-22),

9. 9082318 - Tunnel entrance elevation specifying device, method for specifying tunnel entrance elevation, computer program for specifying tunnel entrance elevation, and storage medium that stores computer program (2015-07-14),

10. 8892522 - Map information management system and map information distribution system (2014-11-18),

11. 8862372 - Intersection-stopping-rate specifying apparatus, navigation apparatus, computer program for specifying intersection-stopping-rate, computer program for conducting navigation (2014-10-14),

12. 8756006 - Device and method for generating route restriction information of intersection, computer program for generating route restriction information of intersection, and recording medium for recording computer program (2014-06-17),

13. 8502703 - System and method for assisting with safe driving, computer program for assisting with safe driving, storage medium upon which the computer program is stored, and Navigation Device (2013-08-06),

14. 8094970 - Road image creation system (2012-01-10),

Company Overview

Toyota Mapmaster Inc., headquartered in Nagoya, Japan, specializes in advanced mapping and navigation technologies. The company focuses on developing innovative solutions for automotive applications, enhancing the driving experience through precise location services and real-time data integration. With a commitment to research and development, Toyota Mapmaster plays a pivotal role in the evolution of smart mobility, contributing to the automotive industry's shift towards connected and autonomous vehicles.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#64 in Nagoya

#3,580 in Japan

#42,249 in the World

Toyota Mapmaster Inc.

Forward Citations = 24

35 inventors:

Kenta Nakanishi (4 out of 4 patents)

Cheng Li (4 out of 4 patents)

Yumiko Yamashita (3 out of 4 patents)

4. Satoru Deguchi (3 out of 3 patents)

5. Kazuteru Maekawa (2 out of 35 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyota Mapmaster Inc.. Retrieved from https://idiyas.com/company/toyota-mapmaster

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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