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Ryusyo Industrial Co., Ltd.

USPTO Granted Patents = 11

Trademarks = 1

Forward Citations = 86

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8 inventors (with patents filed for the assignee):

Akira Kawahara (7 out of 7 patents)

Masakatsu Iwamoto (2 out of 2 patents)

Shigeru Takimoto (1 out of 4 patents)

4. Kazunori Matsumura (1 out of 9 patents)

5. Naoki Maeda (1 out of 1 patent)

6. Sueyoshi Hayashi (1 out of 1 patent)

7. Gohichi Watanabe (1 out of 1 patent)

8. Akihiko Chiba (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 7325924 - Ophthalmic photographic apparatus (2008-02-05),

2. 5765299 - Three-piece type ski boot (1998-06-16),

3. 5042940 - Optical measuring apparatus for examining eye (1991-08-27),

4. 5011276 - Apparatus for measuring refractive power of eye (1991-04-30),

5. 4751770 - Clasping device (1988-06-21),

6. 4584741 - Clasping device (1986-04-29),

7. 4527309 - Clasping device (1985-07-09),

8. D275266 - Buckle and strap assembly (1984-08-28),

9. 4451956 - Clasping device (1984-06-05),

10. 4102018 - Clasping device (1978-07-25),

11. 4054971 - Clasping device (1977-10-25),

Ryusyo Industrial Co., Ltd. is a leading manufacturer of industrial components and equipment based in Japan. With a strong focus on quality and innovation, the company has been providing cutting-edge solutions to various industries for over 50 years. Ryusyo Industrial's product range includes precision machined parts, hydraulic systems, and custom-designed machinery. Their commitment to excellence and customer satisfaction has earned them a reputation as a trusted partner in the manufacturing sector.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

11 Patents

#172 in

#4,041 in Japan

#50,190 in the World