Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339984 | Piston for fluid machines | Takayuki Kato, Masato Takamatsu | 2002-01-22 |
| 6283012 | Compressor piston and method for coating piston | Takayuki Kato, Shigeo Fukushima | 2001-09-04 |
| 5941160 | Pistons for compressors and method and apparatus for coating the pistons | Takayuki Kato, Shigeo Fukushima, Masato Takamatsu, Hayato Ikeda, Toru Takeichi +2 more | 1999-08-24 |