For the Inventor, By the Inventor

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Nitto Seiko Co., Ltd.

USPTO Granted Patents = 20

EPO Patents = 3

Trademarks = 13

Forward Citations = 204

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43 inventors (with patents filed for the assignee):

Osamu Shikata (3 out of 3 patents)

Hirotada Sugiura (3 out of 3 patents)

Masayuki Saito (3 out of 3 patents)

4. Shinichi Hamano (2 out of 2 patents)

5. Masatomo Adachi (2 out of 2 patents)

6. Kazunori Isono (2 out of 2 patents)

7. Masahiro Ohara (2 out of 2 patents)

8. Ryuichi Ohtsuki (2 out of 2 patents)

9. Koreto Marui (2 out of 2 patents)

10. Kozi Yamamoto (1 out of 1 patent)

11. Hidetaka Rokudo (1 out of 1 patent)

12. Naoki Nishimura (1 out of 9 patents)

13. Shingo Torii (1 out of 1 patent)

14. Sinnichi Hamano (1 out of 1 patent)

15. Kinya Kowada (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12029450 - Biodegradable medical implement (2024-07-09),

2. 11207802 - Method for non-penetration joining of members and non-penetration joining structure (2021-12-28),

3. 9388845 - Locking screw (2016-07-12),

4. 8985926 - Tapping screw (2015-03-24),

5. 7195437 - Tapping screw having function of holding female screw shavings (2007-03-27),

6. 7077038 - Screw having non-strip drive recess and driver bit for use with the screw (2006-07-18),

7. 6065373 - Power tool holding assembly that enables easier operation of a power tool (2000-05-23),

8. 5627610 - Self-locking nut for eye glasses having an unthreaded hole with vertical (1997-05-06),

9. 5508758 - Self-locking nut with threaded and self-locking members, useful for eye (1996-04-16),

10. 5289886 - Automatic screw fastening machine (1994-03-01),

11. 5170852 - Automatic screw fastening machine (1992-12-15),

12. D329436 - Lead wire power cutter (1992-09-15),

13. 5110245 - Thread forming screw (1992-05-05),

14. D325388 - Lead wire cutting machine (1992-04-14),

15. 5044855 - Thread-forming fasteners (1991-09-03),

Nitto Seiko Co., Ltd. is a leading manufacturer of industrial machinery and equipment. With a focus on precision engineering and quality control, the company provides a wide range of products including bearings, gears, and automation systems. Established in 1921, Nitto Seiko has a long history of innovation and expertise in the field of manufacturing technology.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

20 Patents

#75 in Kyoto 615-0031

#2,882 in Japan

#30,316 in the World

Nitto Seiko Co., Ltd.

Forward Citations = 204

43 inventors:

Osamu Shikata (3 out of 3 patents)

Hirotada Sugiura (3 out of 3 patents)

Masayuki Saito (3 out of 3 patents)

4. Shinichi Hamano (2 out of 2 patents)

5. Masatomo Adachi (2 out of 2 patents)

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