Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484621 | Swash plate type compressor wherein piston head has inner sliding portion for reducing local wear | Takayuki Kato, Shigeo Fukushima | 2002-11-26 |
| 6453555 | Method of producing compressor piston | Takayuki Kato | 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, Shigeo Fukushima | 2002-08-27 |
| 6402831 | Concrete containing aqueous slurry of ground calcium carbonate | Haruya Sawara, Tadashi Yamauchi, Hidetoshi Morishita, Yumiko Takase | 2002-06-11 |
| 6395404 | Blank used for manufacturing single-headed piston, and method of producing the blank | Takayuki Kato, Masato Takamatsu, Shigeo Fukushima | 2002-05-28 |
| 6393964 | Compressor having piston rotation restricting structure with lubricating inclined guide surface | Takayuki Kato | 2002-05-28 |
| 6378416 | Swash plate type compressor piston wherein inner surface of hollow cylindrical section of body portion has axially extending reinforcing projections | Takayuki Kato | 2002-04-30 |