Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7775925 | Oil-free chain | Takashi Nakagawa, Hiroki Ishida, Toshihiko Aoki | 2010-08-17 |
| 7594332 | Method and apparatus for making a cylindrical bearing member | — | 2009-09-29 |
| 7505126 | Method and device for monitoring hydrogen gas and hydrogen flame | Hideki Ninomiya, Koji Ichikawa, Tasuku Moriya | 2009-03-17 |
| 7385681 | Gas leakage monitoring method and its system | Hideki Ninomiya, Koji Ichikawa, Ken Kawahara, Tasuku Moriya | 2008-06-10 |
| 4995566 | Reel | Katsumi Kotegawa, Yoshihiro Okuda, Masaru Uera | 1991-02-26 |