Enter assignee name

Forward Citations = 228

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3 inventors (with patents filed for the assignee):

Nobuyuki Izumisawa (11 out of 27 patents)

Hiroyoshi Izumisawa (1 out of 1 patent)

Toshiya Hazu (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. D610888 - Impact wrench (2010-03-02),

2. D519799 - Ratchet wrench (2006-05-02),

3. 7036795 - Valve apparatus for air tool (2006-05-02),

4. 6935437 - Air drill (2005-08-30),

5. D497785 - Ratchet wrench (2004-11-03),

6. D496568 - Ratchet wrench (2004-09-29),

7. 6640669 - Ratchet wrench (2003-11-04),

8. D476211 - Reverse lever for portable air drill (2003-06-25),

9. 6435060 - Ratchet wrench (2002-08-20),

10. D461110 - Portable air impact wrench (2002-08-07),

11. D456684 - Portable air sander (2002-05-08),

12. 6298753 - Ratchet wrench (2001-10-09),

Kabushiki Kaisha Shinano Seisakusho is a Japanese manufacturing company specialized in producing precision tools and machinery. Established in 1939, Shinano Seisakusho is known for its high-quality products and innovative solutions for industries such as automotive, aerospace, and electronics. With a strong focus on research and development, the company continues to lead the market with cutting-edge technologies and superior customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

12 Patents

#1,519 in Tokyo

#3,833 in Japan

#46,685 in the World

Tokyo, Japan

Kabushiki Kaisha Shinano Seisakusho

Forward Citations = 228

3 inventors:

Nobuyuki Izumisawa (11 out of 27 patents)

Hiroyoshi Izumisawa (1 out of 1 patent)

Toshiya Hazu (1 out of 1 patent)

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