Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6561138 | Water heater with a flame arrester | Toshihiro Kobayashi, Hideo Chikazawa | 2003-05-13 |
| 6550334 | Ultrasonic detecting apparatus | Kiyotaka Iwatsubo, Nobuhiko Nishimura, Toshihiko Imamoto, Masaaki Fujita | 2003-04-22 |