Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7418875 | Tension measuring method and apparatus for chain | Kohji Kohno | 2008-09-02 |
| 6393818 | Rolled product for chain and method for producing same | Takerou Nakagawa, Atsuhiro Tamiya, Takeshi Kimura, Takeshi Kondo | 2002-05-28 |
| 6213904 | Low-noise chain having bushings and rollers with matching curved surfaces to keep fluid disposed therebetween | Koji Tanaka, Takahisa Ando, Toshio Takahashi, Tomofumi Otani | 2001-04-10 |
| 5938553 | Low noise chain | Hiroki Ishida, Toshihiro Hosokawa, Takahisa Andoh | 1999-08-17 |
| 5697206 | Rolled part for chain and manufacturing method therefor | Tomofumi Otani, Shuji Sasamoto, Masaharu Tamaki, Takero Nakagawa, Yoshitaka Yoshimura +1 more | 1997-12-16 |
| 5291131 | Apparatus for measuring elongation of a circulating chain | Kenshi Suzuki, Takerou Nakagawa | 1994-03-01 |