Company Badge
USPTO Data Jan 1 1976 - Sep 15 2026
2,490 Patents
#12 in Osaka
#99 in Japan
#393 in the World
Ntn Corporation
Forward Citations = 12,340
1,390 inventors:
Ntn Corporation
% Expired Patents = 33.9
CIPO Patents = 4
EPO Patents = 1,117
Trademarks = 16
Forward Citations = 12,340
Loading Chart...
Loading Chart...
1,390 inventors (with patents filed for the assignee):
Hiroshi Isobe (68 out of 83 patents)
Yui Masuda (68 out of 68 patents)
Takayoshi Ozaki (68 out of 83 patents)
4. Toru Takahashi (68 out of 78 patents)
5. Takayuki Norimatsu (63 out of 63 patents)
6. Hisashi Ohtsuki (58 out of 58 patents)
7. Tatsuro Sugiyama (52 out of 54 patents)
8. Chikara Ohki (41 out of 41 patents)
9. Hisaaki Kura (41 out of 41 patents)
10. Masazumi Kobayashi (40 out of 40 patents)
11. Koji Sato (40 out of 41 patents)
12. Ken Yamamoto (40 out of 44 patents)
13. Masahiro Ozawa (40 out of 40 patents)
14. Akira Torii (39 out of 39 patents)
15. Eiji Tajima (39 out of 39 patents)
Core Competencies:
Tapered Roller Bearing
Electric Actuator
Condition Monitoring System
Fluid Dynamic Bearing
Constant Velocity Universal Joint
Rolling Bearing
Power Generation System
Portable Wind Power
Mechanical Component
Clutch Unit
Sintered Bearing
Torque Inspection
2,490 patents:
NTN Corporation is a leading manufacturer of bearings, constant velocity joints, and other precision industrial and automotive equipment. With headquarters in Osaka, Japan, NTN operates globally and serves a diverse range of industries including automotive, industrial machinery, aerospace, and more. The company's commitment to quality, innovation, and customer satisfaction has made NTN a trusted name in the industry for over a century.
This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to [email protected]
4 patents (CIPO):
Please report any incorrect information to [email protected]
1,117 patents (EPO):
Please report any incorrect information to [email protected]