logo

For the Inventor, By the Inventor

Tochigi-shi, Japan

Tochigi Fuji Sangyo Kabushiki Kaisha


USPTO Granted Patents = 140


Forward Citations = 2,889

Loading Chart...
Loading Chart...

92 inventors (with patents filed for the assignee):

goldMedal Masao Teraoka (78 out of 90 patents)

silverMedal Nobushi Yamazaki (16 out of 19 patents)

bronzeMedal Isao Hirota (13 out of 39 patents)

4.  Sakuo Kurihara (13 out of 13 patents)

5.  Yasuhiko Ishikawa (11 out of 12 patents)

6.  Kenji Hiraishi (9 out of 10 patents)

7.  Masashi Aikawa (7 out of 17 patents)

8.  Satoshi Aiba (7 out of 8 patents)

9.  Osamu Ishikawa (7 out of 10 patents)

10.  Masayuki Sayama (5 out of 14 patents)

11.  Masaaki Fusegi (5 out of 17 patents)

12.  Masao Tateno (5 out of 7 patents)

13.  Shuhei Ono (5 out of 5 patents)

14.  Masahiko Asahi (4 out of 7 patents)

15.  Koji Tomita (4 out of 4 patents)


Core Competencies:
Torque Transmission
Differential Unit
Electromagnetic Actuator
Power Transmission System
Clutch Unit
Four-Wheel Drive
Fluid Machine
Rotatively Driving Apparatus
Coupling Apparatus
Reduction-Drive Device
Motor Power Train
Differential Gear Mechanism

140 patents:

1. 7464626 - Torque transmission apparatus and case structure (2008-12-16),
2. 7455612 - Rotatively driving apparatus (2008-11-25),
3. 7452299 - Coupling apparatus (2008-11-18),
4. 7354374 - Differential unit (2008-04-08),
5. 7326142 - Partition structure of power train device (2008-02-05),
6. 7325664 - Electromagnetic actuator, and electromagnetic clutch and differential using the same (2008-02-05),
7. 7296644 - Reduction-drive device (2007-11-20),
8. 7223192 - Differential (2007-05-29),
9. 7223191 - Power transmission system and operation method thereof (2007-05-29),
10. 7216751 - Torque transmission coupling (2007-05-15),
11. 7210565 - Torque transmission apparatus and case structure (2007-05-01),
12. 7156771 - Clutch unit (2007-01-02),
13. 7094172 - Differential and differential system (2006-08-22),
14. 7086978 - Power transmission system and operation method therefor (2006-08-08),
15. 7083033 - Torque transmission apparatus (2006-08-01),
Tochigi Fuji Sangyo Kabushiki Kaisha (TFSKK) is a leading manufacturing company based in Tochigi, Japan. With more than 50 years of experience, TFSKK specializes in the production of industrial machinery and equipment. Their product range includes presses, hydraulic systems, precision components, and automation equipment. TFSKK is known for its high-quality products, technological innovation, and commitment to customer satisfaction. For more information, please visit their official website.
This text is generated by artificial intelligence and may not be accurate.

logo

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

140 Patents

#1 in Tochigi-shi

#872 in Japan

#5,633 in the World

...
Tochigi-shi, Japan

Tochigi Fuji Sangyo Kabushiki Kaisha

Forward Citations = 2,889

92 inventors:

goldMedal Masao Teraoka (78 out of 90 patents)

silverMedal Nobushi Yamazaki (16 out of 19 patents)

bronzeMedal Isao Hirota (13 out of 39 patents)

4.  Sakuo Kurihara (13 out of 13 patents)

5.  Yasuhiko Ishikawa (11 out of 12 patents)

Please report any incorrect information to support@idiyas.com
Loading…