Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513844 | Tensioner with improved stopper | Takahiro Matsushita, Kouji Katou, Shintarou Yoshimoto | 2009-04-07 |
| 6810907 | Hydraulic tensioner with relief valve mechanism | Hiroshi Hashimoto, Yoshio Kurokawa, Tsutomu Namie | 2004-11-02 |
| 6592479 | Tensioner with relief valve mechanism | Katsuya Nakakubo, Yoshio Kurokawa | 2003-07-15 |
| 6398682 | Hydraulic tensioner with relief valve | Tadasu Suzuki | 2002-06-04 |
| 6383103 | Hydraulic tensioner | Tadasu Suzuki | 2002-05-07 |
| 6077181 | Plate for a silent chain having a protruding portion for reducing the noise generated when the plate engages a sprocket | Makoto Kanehira, Takero Nakagawa, Masao Maruyama, Hitoshi Ohara, Masahiro Sato | 2000-06-20 |
| 6045473 | Plate for a silent chain | Masaaki Matsumoto, Haruo Sugita, Koichi Kaihotsu, Makoto Kanehira, Takayuki Funamoto +2 more | 2000-04-04 |
| 5953951 | Method and apparatus for manufacturing bent products | Takeo Muro | 1999-09-21 |
| 5941059 | Silent chain, and rocker pin and plate thereof | Makoto Kanehira, Masao Maruyama, Hitoshi Ohara, Masahiro Sato, Takayuki Funamoto | 1999-08-24 |
| 5901601 | Method and apparatus for bending malleable plates | Takeo Muro | 1999-05-11 |
| 5902203 | Silent chain | Makoto Kanehira, Takero Nakagawa, Yutaka Uchiumi, Masahiro Sato, Hitoshi Ohara +1 more | 1999-05-11 |
| 5299984 | Frictional transmission chain | Hiroki Ishida, Masao Maruyama, Masaru Morimoto | 1994-04-05 |
| 5267910 | Silent chain having improved noise reduction | Masao Maruyama, Masaru Morimoto, Hiroki Ishida | 1993-12-07 |
| 5242333 | Rocker-pin type friction gearing chain | Yoshiaki Sugimoto, Hiroki Ishida, Toshihiro Hosokawa | 1993-09-07 |
| 5242334 | Rocker pin type friction transmission chain | Yoshiaki Sugimoto, Hiroki Ishida | 1993-09-07 |
| 5236399 | Silent chain | Yoshiaki Sugimoto, Hiroki Ishida, Toshihiro Hosokawa | 1993-08-17 |
| 5215505 | Endless belt for variable ratio power transmission | Yoshiaki Sugimoto, Toshihiro Hosokawa, Hiroki Ishida | 1993-06-01 |
| 5176584 | Silent chain | Hiroki Ishida, Masaru Morimoto, Masao Maruyama | 1993-01-05 |
| 5026331 | Rocker joint pin type CVT chain | Yoshiaki Sugimoto, Toshihiro Hosokawa, Yutaka Uchiumi, Shuji Sasamoto | 1991-06-25 |
| 4959744 | Shutter assembled disc cartridge | Yasunori Kanazawa, Yoshiyuki Nakamori, Tadahiro Kuwa, Shinichi Abe | 1990-09-25 |
| 4917658 | Friction plate for CVT chain | Yoshiaki Sugimoto, Toshihiro Hosokawa, Yutaka Uchiumi, Shuji Sasamoto | 1990-04-17 |
| 4811151 | Shutter assembled disc cartridge | Yasunori Kanazawa, Yoshiyuki Nakamori, Tadahiro Kuwa, Shinichi Abe | 1989-03-07 |
| 4740948 | Disc cartridge | Yoshiyuki Nakamori, Seiichi Matsushima, Yasunori Kanazawa, Mitsuyoshi Koyama, Shinichi Abe | 1988-04-26 |
| 4733388 | Information recording disc | Shinichi Abe, Yoshito Tsunoda, Kazuo Shigematsu, Yasunori Kanazawa, Toshinori Sugiyama +1 more | 1988-03-22 |