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East Japan Railway Company

USPTO Granted Patents = 18

EPO Patents = 11

Trademarks = 5

Forward Citations = 87

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63 inventors (with patents filed for the assignee):

Takeshi Kurita (3 out of 7 patents)

Fumio Mizushima (3 out of 3 patents)

Kazumi Matsui (2 out of 4 patents)

4. Haruhiko Harry Asada (2 out of 53 patents)

5. Hiroshi Abe (2 out of 134 patents)

6. Kazuhisa Echizen (2 out of 2 patents)

7. Katsuichiro Awano (2 out of 2 patents)

8. Haruo Yamada (2 out of 10 patents)

9. Masayuki Enomoto (1 out of 14 patents)

10. Naomi Sato (1 out of 16 patents)

11. Takuya Ishikawa (1 out of 23 patents)

12. Osamu Suzuki (1 out of 71 patents)

13. Kota Weaver (1 out of 6 patents)

14. Masahiko Honda (1 out of 18 patents)

15. Toshiharu Kishi (1 out of 5 patents)

18 patents: Sort by Forward Citations

1. 10884417 - Navigation of mobile robots based on passenger following (2021-01-05),

2. 10386839 - Mobile robot that emulates pedestrian walking behavior (2019-08-20),

3. 10266189 - Interlocking device (2019-04-23),

4. 10259476 - Interlocking device (2019-04-16),

5. 9873140 - Foreign material removing device of track turnout portion (2018-01-23),

6. 9573489 - Control device for railway power conditioner and control system for railway power conditioner (2017-02-21),

7. 9352654 - Impact mitigating structure of contact strip piece (2016-05-31),

8. 9227577 - Acoustic insulation device for mobile vehicle (2016-01-05),

9. 9221344 - Assembly jig of contact plate assembly (2015-12-29),

10. 9212902 - Distance image obtaining system for track (2015-12-15),

11. 9067606 - Railcar (2015-06-30),

12. 8967404 - Device for coupling high-speed railroad cars and method for removing device (2015-03-03),

13. 8105433 - Cement admixture, and cement composition and concrete containing the cement admixture (2012-01-31),

14. 8028572 - Omnidirectional rain gauge (2011-10-04),

15. 6587763 - Train control system and method therefor (2003-07-01),

East Japan Railway Company (JR East) is a leading railway company in Japan. Founded in 1987, JR East operates a vast network of railways in the eastern region of Japan, serving both urban and rural areas. With a focus on safety, efficiency, and customer satisfaction, JR East provides reliable transportation services for millions of passengers daily. The company offers a wide range of train services, including high-speed Shinkansen bullet trains, commuter trains, and long-distance services. JR East is committed to continuous innovation and sustainability, contributing to the development of Japan's transportation infrastructure.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

18 Patents

#52 in Saitama 343-0827

#3,053 in Japan

#33,199 in the World

East Japan Railway Company

Forward Citations = 87

63 inventors:

Takeshi Kurita (3 out of 7 patents)

Fumio Mizushima (3 out of 3 patents)

Kazumi Matsui (2 out of 4 patents)

4. Haruhiko Harry Asada (2 out of 53 patents)

5. Hiroshi Abe (2 out of 134 patents)

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