Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849136 | Filler metal for aluminum brazing sheet for heat exchangers and method of manufacturing same | Yoshiharu Hasegawa, Koji Hirao, Hiroshi Nishikawa, Yasunaga Itoh, Naoki Yamashita +2 more | 2005-02-01 |
| 6495092 | Combustion apparatus and melting furnace for nonferrous metals | Katsumi Hazama, Keinosuke Masuki, Takayuki Inami, Miki Takai, Tetsuya Yamada | 2002-12-17 |