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Ojiya-Shi, Japan

Yukiwa Seiko Kabushiki Kaisha

USPTO Granted Patents = 20

EPO Patents = 2

Forward Citations = 258

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8 inventors (with patents filed for the assignee):

Akira Sakamaki (20 out of 26 patents)

Kazuo Sakamaki (13 out of 23 patents)

Tadashi Taniguchi (9 out of 16 patents)

4. Chokichi Sato (5 out of 7 patents)

5. Kiyohiro Kinefuchi (2 out of 2 patents)

6. Kazuki Aoyagi (1 out of 2 patents)

7. Koichi Takizawa (1 out of 1 patent)

8. Tomokazu Seki (1 out of 1 patent)

9. Kazuki Yukiwa Seiko Kabushiki Kaisha Aoyagi (0 patent)

10. Akira Yukiwa Seiko Kabushiki Kaisha Sakamaki (0 patent)

11. Tadashi Yukiwa Seiko Kabushiki Kaisha Taniguchi (0 patent)

12. Kazuo Yukiwa Seiko Kabushiki Kaisha Sakamaki (0 patent)

20 patents: Sort by Forward Citations

1. 9539648 - Chuck device (2017-01-10),

2. 9016988 - Tool holder (2015-04-28),

3. 9016699 - Chuck device (2015-04-28),

4. 7845428 - Rotating tool (2010-12-07),

5. D593390 - Drill chuck (2009-06-02),

6. 7497444 - Chuck device (2009-03-03),

7. 7207573 - Chuck assembly (2007-04-24),

8. 6902171 - Chuck device (2005-06-07),

9. 6843485 - Chuck device (2005-01-18),

10. 6824141 - Chuck device (2004-11-30),

11. 6659474 - Chuck device (2003-12-09),

12. 6651534 - NC circular table and NC circular table apparatus (2003-11-25),

13. 6584515 - NC controlling system with independent programs for appended equipment (2003-06-24),

14. D426840 - Drill chuck (2000-06-20),

15. D423528 - Drill chuck (2000-04-25),

YUKIWA SEIKO KABUSHIKI KAISHA is a leading manufacturer of precision mechanical components and automation systems. With over 70 years of experience, the company specializes in producing high-quality products for various industries, including automotive, aerospace, medical, and electronics. YUKIWA SEIKO is known for its advanced technologies and innovative solutions that meet the ever-changing demands of the market. They are committed to delivering excellence through their diverse range of products, which includes CNC machine tools, tooling systems, industrial robots, and production line automation equipment.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

20 Patents

#1 in Ojiya-Shi

#2,882 in Japan

#30,324 in the World

Ojiya-Shi, Japan

Yukiwa Seiko Kabushiki Kaisha

Forward Citations = 258

8 inventors:

Akira Sakamaki (20 out of 26 patents)

Kazuo Sakamaki (13 out of 23 patents)

Tadashi Taniguchi (9 out of 16 patents)

4. Chokichi Sato (5 out of 7 patents)

5. Kiyohiro Kinefuchi (2 out of 2 patents)

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