For the Inventor, By the Inventor

Enter assignee name

Nippei Toyama Corporation

USPTO Granted Patents = 51

% Expired Patents = 13.7

Trademarks = 1

Forward Citations = 544

Loading Chart...

Loading Chart...

67 inventors (with patents filed for the assignee):

Shirou Murai (8 out of 8 patents)

Shigeo Kobayashi (8 out of 9 patents)

Mitsuru Nukui (7 out of 7 patents)

4. Toyotaka Wada (6 out of 6 patents)

5. Tsutomu Sugihara (5 out of 6 patents)

6. Hisao Sasaki (5 out of 6 patents)

7. Kenichiro Nishi (5 out of 9 patents)

8. Yasuhiro Ito (5 out of 5 patents)

9. Sadatsune Ammi (4 out of 4 patents)

10. Kazuo Nakajima (4 out of 4 patents)

11. Akira Takase (3 out of 10 patents)

12. Tetsuo Okuyama (3 out of 3 patents)

13. Kiyoakira Shimizu (3 out of 3 patents)

14. Yoshiaki Banzawa (3 out of 3 patents)

15. Nobuaki Hayashi (3 out of 3 patents)

Core Competencies:

Laser Beam Machining

Grinding Method

Wire Saw

Machining Center

Tool Change Device

Surface Shape Determining

Aqueous Working Liquid

Numerically Controlled

Clamping Detection

Static Balancer

Ingot Processing

Brittle Material Cutting

51 patents: Sort by Forward Citations

1. 7568969 - Locking mechanism of linear motor travel slider and processing machine (2009-08-04),

2. 7461439 - Method for detecting malfunction in clamping and machine tool (2008-12-09),

3. 7424846 - Pneumatically static balancer for machine tool (2008-09-16),

4. 7367762 - Main spindle apparatus and tool holder clamp unit used therefor (2008-05-06),

5. D567263 - Machining center (2008-04-22),

6. 7269472 - Many-headed grinding machine and grinding method using many-headed grinding machine (2007-09-11),

7. D548756 - Machining center (2007-08-14),

8. D548755 - Machining center (2007-08-14),

9. D548754 - Machining center (2007-08-14),

10. 7231277 - Surface shape determining device for a machining apparatus and surface shape determining method (2007-06-12),

11. 7182720 - Machine tool (2007-02-27),

12. 7146241 - Machine tool control apparatus (2006-12-05),

13. 6722956 - Working apparatus (2004-04-20),

14. 6680459 - Laser beam machining apparatus and laser beam machining method (2004-01-20),

15. 6626735 - Method of stopping machining operation in machine tool and machining controlling apparatus for implementing the same (2003-09-30),

Company Overview

Nippei Toyama Corporation, based in Tokyo, specializes in advanced machine tool technology, focusing on precision manufacturing solutions. The company is recognized for its expertise in laser beam machining, grinding methods, and wire saw technology. Nippei Toyama also develops sophisticated machining centers and tool change devices, enhancing operational efficiency in various industrial applications. Their innovations in surface shape determination and the use of aqueous working liquids reflect a commitment to precision and sustainability in manufacturing processes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

51 Patents

#786 in Tokyo

#1,685 in Japan

#13,788 in the World

Nippei Toyama Corporation

Forward Citations = 544

67 inventors:

Shirou Murai (8 out of 8 patents)

Shigeo Kobayashi (8 out of 9 patents)

Mitsuru Nukui (7 out of 7 patents)

4. Toyotaka Wada (6 out of 6 patents)

5. Tsutomu Sugihara (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nippei Toyama Corporation. Retrieved from https://idiyas.com/company/nippei-toyama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

Loading…