Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6440022 | Double-meshing type silent chain and sprocket for meshing with the chain along outer circumference thereof | Kouichi Ichikawa, Nobuto Kozakura, Toyonaga Saitou | 2002-08-27 |
| 6419604 | Double-meshing-type silent chain drive and sprocket used therein | Toyonaga Saito, Nobuto Kozakura, Koichi Ichikawa | 2002-07-16 |
| 6334829 | Double-meshing-type silent chain drive and sprocket used therein | Toyonaga Saito, Nobuto Kozakura, Koichi Ichikawa | 2002-01-01 |
| 6142902 | Double-meshing-type silent chain and sprocket for meshing with the chain along outer circumference thereof | Kouichi Ichikawa, Nobuto Kozakura, Toyonaga Saitou | 2000-11-07 |
| 6112510 | Silent-chain transmission apparatus | Kouichi Ichikawa, Makoto Kanehira, Nobuto Kozakura, Kenshi Suzuki, Masatoshi Sonoda | 2000-09-05 |
| 6068568 | Silent chain | Nobuto Kozakura, Toyonaga Saito, Takero Nakagawa | 2000-05-30 |
| 5989140 | Both-side meshing type silent chain | Koichi Ichikawa, Nobuto Kozakura | 1999-11-23 |
| 5989141 | Silent chain | Nobuto Kozakura, Masaaki Matsumoto | 1999-11-23 |
| 5967926 | Double-sided meshing type silent chain | Nobuto Kozakura, Nobuhiro Odai | 1999-10-19 |
| 4711676 | Carburized pin for chain | Tadahiro Kitaori, Nobuto Kozakura | 1987-12-08 |