% Expired Patents = 2.4

EPO Patents = 14

Forward Citations = 1

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104 inventors (with patents filed for the assignee):

Fumito Kitanaka (5 out of 11 patents)

Kensuke Yoshiga (4 out of 9 patents)

Shuji Takahashi (4 out of 55 patents)

4. Masafumi Takano (4 out of 8 patents)

5. Yukinori Mikita (3 out of 4 patents)

6. Kenji Nagumo (3 out of 9 patents)

7. Masao Hanya (2 out of 56 patents)

8. Yuki Hayakawa (2 out of 8 patents)

9. Jun Shirai (2 out of 10 patents)

10. Toshihiko Hanamachi (2 out of 21 patents)

11. Sachio Ooshita (2 out of 4 patents)

12. Ryo Tanaka (2 out of 6 patents)

13. Yoshihito Araki (2 out of 5 patents)

14. Yoshio Yamada (2 out of 21 patents)

15. Naoki Iwamoto (2 out of 8 patents)

42 patents: Sort by Forward Citations

1. 12734943 - Vehicle seat (2026-09-15),

2. 12732040 - Rotor and dynamo-electric machine (2026-09-08),

3. 12730128 - Measurement unit (2026-09-08),

4. 12729738 - Coil spring (2026-09-08),

5. 12725173 - Watch authenticity information processing system (2026-09-01),

6. 12723816 - Plate with flow channel (2026-09-01),

7. 12715566 - Engine control apparatus (2026-08-25),

8. 12713535 - CIRCUIT BOARD AND MANUFACTURING METHOD (2026-08-18),

9. 12711991 - WORK CLEANING DEVICE AND CLEANING METHOD (2026-08-18),

10. 12706115 - Temperature measuring unit, disk drive suspension manufacturing apparatus, and disk drive suspension manufacturing method (2026-08-11),

11. 12706114 - Head driving device (2026-08-11),

12. 12703282 - Seatback pad and vehicle seat (2026-08-11),

13. 12700780 - Method of manufacturing stator (2026-08-04),

14. 12697904 - Vehicle seat (2026-08-04),

15. 12689141 - Terminal connection portion of electronic device (2026-07-21),

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

42 Patents

#38 in Yokohama

#1,904 in Japan

#16,304 in the World

Yokohama, Japan

Nhk Spring, Ltd.