Trademarks = 2

Forward Citations = 21

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7 inventors (with patents filed for the assignee):

Nobukazu Hosokai (4 out of 4 patents)

Takayuki Adachi (3 out of 3 patents)

Koji Hosokai (1 out of 1 patent)

4. Jun Watanabe (1 out of 79 patents)

5. Mikio Yoshino (1 out of 1 patent)

6. Isamu Oguro (1 out of 1 patent)

7. Tetsujiro Tada (1 out of 3 patents)

5 patents: Sort by Forward Citations

1. 11325218 - Worm polishing method and device thereof (2022-05-10),

2. 10300575 - Ball screw polishing method and device thereof (2019-05-28),

3. 9162300 - Method for polishing ball screw and ball screw polishing apparatus (2015-10-20),

4. 8814635 - Substrate polishing method and device (2014-08-26),

5. 6068542 - Pad tape surface polishing method and apparatus (2000-05-30),

Company Overview

Sanshin Co., Ltd. is a leading manufacturing company based in Japan. Specializing in precision machinery and equipment, Sanshin has been providing high-quality products and services to a wide range of industries for over 50 years. With a strong commitment to innovation and customer satisfaction, Sanshin continues to set the standard for excellence in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#2 in Nagaoka

#6,654 in Japan

Nagaoka, Japan

Sanshin Co., Ltd.

Forward Citations = 21

7 inventors:

Nobukazu Hosokai (4 out of 4 patents)

Takayuki Adachi (3 out of 3 patents)

Koji Hosokai (1 out of 1 patent)

4. Jun Watanabe (1 out of 79 patents)

5. Mikio Yoshino (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sanshin Co., Ltd.. Retrieved from https://idiyas.com/company/sanshin-company

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]