For the Inventor, By the Inventor

Enter assignee name

Tsubaki Nakashima Co., Ltd.

USPTO Granted Patents = 11

EPO Patents = 2

Trademarks = 1

Forward Citations = 89

Loading Chart...

Loading Chart...

18 inventors (with patents filed for the assignee):

Hidemi Horimoto (3 out of 3 patents)

Soichiro Ohga (3 out of 3 patents)

Hiroshi Ikeda (2 out of 28 patents)

4. Hiroki Takimoto (2 out of 2 patents)

5. Kenji Yamada (2 out of 2 patents)

6. Hiroshi Uemura (2 out of 38 patents)

7. Hideki Ono (2 out of 3 patents)

8. Hiroyuki Matsuyama (2 out of 2 patents)

9. Hiroshi Onishi (2 out of 48 patents)

10. Hiroyuki Takagi (2 out of 2 patents)

11. Yoshihiko Tsujikura (1 out of 1 patent)

12. Kazuyuki Nishikita (1 out of 1 patent)

13. Hideji Yoshida (1 out of 1 patent)

14. Hirouyki Takagi (1 out of 1 patent)

15. Hiroshi Misu (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 9719942 - Sintered ceramic and ceramic sphere (2017-08-01),

2. 9316599 - Device for inspecting ceramic sphere (2016-04-19),

3. 6755588 - Ball for ball-point pen (2004-06-29),

4. 6643932 - Method for inserting balls and spacers into ball screw device (2003-11-11),

5. 6499374 - Ball screw with alternately disposed steel balls and ceramic balls (2002-12-31),

6. 6423111 - Ball for ball-point pen (2002-07-23),

7. 6415676 - Ball screw device having spacers (2002-07-09),

8. 6176149 - Ball screw having spacers (2001-01-23),

9. 6113274 - Linear guideway having spacers and spacer ball (2000-09-05),

10. 6095009 - Ball screw having spacers (2000-08-01),

11. 5950469 - Method and equipment for surface-hardening treatment of steel balls for (1999-09-14),

Tsubaki Nakashima Co., Ltd. is a leading manufacturer of precision metal components and assemblies. With over 70 years of experience, the company specializes in products such as gears, shafts, and bearings for various industries including automotive, aerospace, and medical. Tsubaki Nakashima is known for its high-quality craftsmanship and innovative solutions that meet the needs of its customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

11 Patents

#10 in Nara

#4,040 in Japan

#50,224 in the World

Tsubaki Nakashima Co., Ltd.

Forward Citations = 89

18 inventors:

Hidemi Horimoto (3 out of 3 patents)

Soichiro Ohga (3 out of 3 patents)

Hiroshi Ikeda (2 out of 28 patents)

4. Hiroki Takimoto (2 out of 2 patents)

5. Kenji Yamada (2 out of 2 patents)

Please report any incorrect information to support@idiyas.com

Loading…