Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644256 | Valve operating system for engine | Naoki Takahara | 2003-11-11 |
| 6622747 | Cutting, valve insertion and corrosion-resistant works without fluid supply interruption | Tamotsu Yamashita | 2003-09-23 |
| 6615781 | Overhead camshaft type valve train for internal combustion engine | Shigekazu Tanaka, Naoki Takahara | 2003-09-09 |
| 6615859 | Fluid supply interruption free method of construction | Tamotsu Yamashita | 2003-09-09 |
| D475158 | Hair washer | — | 2003-05-27 |
| 6530389 | Existing pipe cut-off method, existing pipe slitting method, piping structure, and valve insertion method for inserting a valve in a line without stopping passage of water or fluid | Hideshige Homma, Tamotsu Yamashita, Gumpei Yokoyama | 2003-03-11 |
| 6512233 | Radiation detector and radiation image taking device | Satoshi Tokuda | 2003-01-28 |