Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6840435 | Method for brazing aluminum alloy-assembled articles within a short period of time and a filler alloy usable at low temperature | Nobuaki Ohara, Takeyoshi Doko, Masaki Shimizu, Hiroshi Nishikawa, Hiroshi Ogawa | 2005-01-11 |
| 6625886 | Manufacturing method of heat exchanger | Syoji Iriyama, Koji Hirao, Hiroshi Ogawa, Takanori Takeda, Hiroshi Nishikawa | 2003-09-30 |
| 6523605 | Heat exchanger made of an aluminum alloy | Takeyoshi Doko, Koji Okada, Takeshi Iguchi, Takaaki Sakane, Yoshihiro Kinoshita +3 more | 2003-02-25 |
| 6004911 | Processing oil suitable for aluminum materials and removable via heating | Takashi Ando, Shinya Nishihata, Haruhiko Matsushita | 1999-12-21 |