Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484621 | Swash plate type compressor wherein piston head has inner sliding portion for reducing local wear | Takayuki Kato, Seiji Katayama | 2002-11-26 |
| 6453554 | Swash plate type compressor piston wherein inner surface of base section of neck portion has as-cast surface area | Takayuki Kato, 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, Takayuki Kato, Seiji Katayama | 2002-08-27 |
| 6395404 | Blank used for manufacturing single-headed piston, and method of producing the blank | Takayuki Kato, Masato Takamatsu, Seiji Katayama | 2002-05-28 |
| 6357340 | Piston compressor piston | Takayuki Kato, Takahiro Sugioka, Jiro Yamashita, Tetsuji Yamaguchi | 2002-03-19 |