Forward Citations = 94

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3 inventors (with patents filed for the assignee):

Tsutomu Miyatake (4 out of 18 patents)

Mitsuhiro Tamura (2 out of 32 patents)

Akira Yamamoto (2 out of 94 patents)

6 patents: Sort by Forward Citations

1. 10895306 - Eccentrically oscillating type reduction gear (2021-01-19),

2. 10830312 - Eccentric oscillation type speed reducer (2020-11-10),

3. 5218193 - Double-focus measurement apparatus utilizing chromatic aberration by (1993-06-08),

4. 5141322 - Illumination methods with plural wavelength rays and with (1992-08-25),

5. 5074667 - Position detector employing a sector Fresnel zone plate (1991-12-24),

6. 5026976 - Double-focus detector utilizing chromatic aberration (1991-06-25),

Sumitomo Heavy Industries Co., Ltd. is a diversified manufacturing company based in Japan. The company operates through various segments including machinery, environmental systems, steel structures, industrial machinery, and others. With a rich history dating back to 1888, Sumitomo Heavy Industries has established itself as a global leader in the manufacturing industry, providing innovative solutions and high-quality products to customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

6 Patents

#2,218 in Tokyo

#5,839 in Japan

Tokyo, Japan

Sumitomo Heavy Industries Co., Ltd.

Forward Citations = 94

3 inventors:

Tsutomu Miyatake (4 out of 18 patents)

Mitsuhiro Tamura (2 out of 32 patents)

Akira Yamamoto (2 out of 94 patents)

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