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Trademarks = 4

Forward Citations = 21

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10 inventors (with patents filed for the assignee):

Hiroshi Sugawara (3 out of 52 patents)

Seiichiro Ishijima (3 out of 3 patents)

Tadashi Oshimi (3 out of 5 patents)

4. Kazutaka Yamamoto (3 out of 3 patents)

5. Noboru Yazaki (3 out of 4 patents)

6. Tomoji Utsugi (2 out of 2 patents)

7. Koji Takahashi (2 out of 32 patents)

8. Nobuhiko Suzuki (1 out of 6 patents)

9. Kazuo Furukawa (1 out of 1 patent)

10. Akira Unosawa (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 10126752 - Work machine, system, method, program, and recording medium recording program for generating travel route of work machine, for determining availability of entry to travel route, and for automatically selecting travel route, and travel control system of work machine (2018-11-13),

2. 10120382 - Work machine, system, method, and recording medium recording computer program for determining availability of entry to travel route, and travel control system of work machine (2018-11-06),

3. 10114377 - Work machine, system, method, and recording medium recording computer program for generating travel route of work machine, and travel control system of work machine (2018-10-30),

4. 8720634 - Working vehicle (2014-05-13),

5. 8627642 - Clippings collecting-discharging device (2014-01-14),

6. 6679787 - Golf shaft and golf club having the same (2004-01-20),

Mamiya-op Co., Ltd. is a Japanese company specializing in the development and manufacturing of precision industrial machinery. With over 50 years of experience, the company has become a trusted name in the industry for its high-quality products and technological innovation. Mamiya-op is committed to providing innovative solutions to meet the evolving 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 9 2025

6 Patents

#2,218 in Tokyo

#5,840 in Japan

Tokyo, Japan

Mamiya-op Co., Ltd.