Enter assignee name

Trademarks = 2

Forward Citations = 594

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3 inventors (with patents filed for the assignee):

Osamu Izumisawa (21 out of 37 patents)

Kunihiro Yamamoto (2 out of 46 patents)

Masahiko Kusama (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 7404450 - Pneumatic rotary tool (2008-07-29),

2. 7080578 - Hand tool with impact drive and speed reducing mechanism (2006-07-25),

3. RE39009 - Hand-held pneumatic rotary drive device (2006-03-13),

4. 6880645 - Pneumatic rotary tool (2005-04-19),

5. 6860174 - Hand-held power tool (2005-03-01),

6. 6796386 - Pneumatic rotary tool (2004-09-28),

7. 6578643 - Pneumatic ratchet drive wrench (2003-06-17),

8. 6443239 - Pneumatic rotary tool (2002-09-03),

9. 6311583 - Ratchet wrench with pivotable head (2001-11-06),

10. D440848 - Square drive wrench having offset head (2001-04-25),

11. D440847 - Square drive wrench having angled head (2001-04-25),

12. D439486 - Square drive wrench having angled head (2001-03-28),

13. D439485 - Square drive wrench having offset head (2001-03-28),

14. D437760 - Impact wrench (2001-02-21),

15. D436818 - Impact wrench (2001-01-31),

Sp Air Kabusiki Kaisha Corporation is a leading manufacturer and distributor of pneumatic tools and equipment. With over 50 years of experience in the industry, they offer a wide range of high-quality products for industrial and automotive applications. Their innovative designs and commitment to quality have made them a trusted name in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

22 Patents

#1,120 in Tokyo

#2,724 in Japan

#27,863 in the World

Tokyo, Japan

Sp Air Kabusiki Kaisha Corporation

Forward Citations = 594

3 inventors:

Osamu Izumisawa (21 out of 37 patents)

Kunihiro Yamamoto (2 out of 46 patents)

Masahiko Kusama (1 out of 1 patent)

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