Issued Patents 2002
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484621 | Swash plate type compressor wherein piston head has inner sliding portion for reducing local wear | Seiji Katayama, Shigeo Fukushima | 2002-11-26 |
| 6477352 | Two-sided image forming apparatus | Masahiro Takahashi | 2002-11-05 |
| 6457723 | Lip-type seal with a flexible reinforcement member | Takeshi Yamada | 2002-10-01 |
| 6453555 | Method of producing compressor piston | Seiji Katayama | 2002-09-24 |
| 6453554 | Swash plate type compressor piston wherein inner surface of base section of neck portion has as-cast surface area | Shigeo Fukushima, Masato Takamatsu, Takahiro Hoshida | 2002-09-24 |
| 6438834 | Method of making a swash plate type compressor piston whose head portion is formed by pore-free die-casting | Masato Takamatsu, Seiji Katayama, Shigeo Fukushima | 2002-08-27 |
| 6442012 | Fuel hose resin coupling | Masaki Koike, Shinichi Bito, Yasushi Miyamoto, Hisatsugu Goto | 2002-08-27 |
| 6415705 | Swash plate type compressor piston whose end section is formed of a material different from that of swash-plate engaging portion | Masato Takamatsu | 2002-07-09 |
| 6412171 | Swash plate type compressor piston wherein inner bottom surface of hollow head section has 3-dimensional configuration nonaxisymmetric with respect to its centerline | Masato Takamatsu | 2002-07-02 |
| 6395404 | Blank used for manufacturing single-headed piston, and method of producing the blank | Masato Takamatsu, Seiji Katayama, Shigeo Fukushima | 2002-05-28 |
| 6393964 | Compressor having piston rotation restricting structure with lubricating inclined guide surface | Seiji Katayama | 2002-05-28 |
| 6386090 | Piston type compressor | Hidekazu Iwamori, Tomomi Ohno, Masahiro Yokota | 2002-05-14 |
| 6381842 | Method of producing swash plate type compressor piston | Masato Takamatsu, Takahiro Hoshida, Fuminobu Enokijima | 2002-05-07 |
| 6378416 | Swash plate type compressor piston wherein inner surface of hollow cylindrical section of body portion has axially extending reinforcing projections | Seiji Katayama | 2002-04-30 |
| 6357340 | Piston compressor piston | Takahiro Sugioka, Shigeo Fukushima, Jiro Yamashita, Tetsuji Yamaguchi | 2002-03-19 |
| 6339984 | Piston for fluid machines | Takahiro Sugioka, Masato Takamatsu | 2002-01-22 |