Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6453554 | Swash plate type compressor piston wherein inner surface of base section of neck portion has as-cast surface area | Shigeo Fukushima, Takayuki Kato, 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 | Takayuki Kato, Seiji Katayama, Shigeo Fukushima | 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 | Takayuki Kato | 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 | Takayuki Kato | 2002-07-02 |
| 6395404 | Blank used for manufacturing single-headed piston, and method of producing the blank | Takayuki Kato, Seiji Katayama, Shigeo Fukushima | 2002-05-28 |
| 6381842 | Method of producing swash plate type compressor piston | Takayuki Kato, Takahiro Hoshida, Fuminobu Enokijima | 2002-05-07 |
| 6339984 | Piston for fluid machines | Takahiro Sugioka, Takayuki Kato | 2002-01-22 |