Motoyama Eng. Works, Ltd.

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USPTO Granted Patents = 5

Forward Citations = 600

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8 inventors (with patents filed for the assignee):

Mitsuaki Komino (3 out of 25 patents)

Osamu Uchisawa (3 out of 14 patents)

Tadahiro Ohmi (1 out of 201 patents)

4. Yasuhiro Chiba (1 out of 2 patents)

5. Kazuhiko Satoh (1 out of 1 patent)

6. Yohichi Kanno (1 out of 6 patents)

7. Tadahiro Hatayama (1 out of 1 patent)

8. Koichi Nishimura (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 6157774 - Vapor generating method and apparatus using same (2000-12-05),

2. 6134807 - Drying processing method and apparatus using same (2000-10-24),

3. 6131307 - Method and device for controlling pressure and flow rate (2000-10-17),

4. 5172722 - Stop valve for a vacuum apparatus (1992-12-22),

5. 4953826 - Metal diaphragm valve (1990-09-04),

Company Overview

Motoyama Eng. Works, Ltd. is a leading manufacturer of high-quality engineering products. With over 50 years of experience in the industry, we specialize in designing and manufacturing precision components for various sectors including automotive, aerospace, and electronics. Our commitment to innovation and excellence has earned us a reputation for delivering reliable and efficient solutions to our customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

5 Patents

#15 in Sendai

#6,656 in Japan

Sendai, Japan