Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7703761 | Sheet feed roller and method of manufacturing the same | — | 2010-04-27 |
| 7284649 | Sheet feeding roller | Koji Yamaguchi | 2007-10-23 |
| 6734274 | Urethane composition for sheet transport roll, and sheet transport roll produced by employing the urethane composition | Satoshi Suzuki, Hitoshi Yoshikawa, Yoshihiro Wago | 2004-05-11 |
| 6196958 | Toner supply roll including cylindrical polyurethane sponge structure having helical protrusions on its outer surface | Akihiko Kaji | 2001-03-06 |
| 6149564 | Toner supply roll including porous cylindrical polyurethane sponge structure having skin layer having openings and alternate protrusions and recesses, and method of producing the same | Akitoshi Nozawa | 2000-11-21 |
| 5768668 | Toner supply roll having openings in skin layer of porous cylindrical polyurethane sponge structure, and method of producing the same | Saburou Hayashi, Akitoshi Nozawa, Mitsuyoshi Kondo | 1998-06-16 |
| 5753154 | Method of producing a conductive roll | Saburou Hayashi, Takafumi Yamamoto | 1998-05-19 |
| 5609554 | Conductive roll | Saburou Hayashi, Takafumi Yamamoto | 1997-03-11 |
| 5037073 | Fluid-filled cylindrical elastic mount having moveable block and spiral orifice | Nobuo Matsumoto | 1991-08-06 |
| 4998345 | Method of manufacturing fluid-filled elastic mount having pressure-receiving and equilibrium chambers | Yoshiki Funahashi, Nobuo Matsumoto | 1991-03-12 |
| 4923178 | Fluid-filled cylindrical elastic mount | Nobuo Matsumoto, Yoshiki Funahashi | 1990-05-08 |