Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7749609 | Metal plate for producing flat tube, flat tube and process for producing the flat tube | Yasuji Kawamata, Takashi Tamura, Ryoichi Hoshino, Noboru Ogasawara | 2010-07-06 |
| 7421873 | Rolling apparatus and method of making product of miscellaneous cross section with use of same | Takashi Tamura | 2008-09-09 |
| 7341099 | Metal plate for producing flat tube, flat tube and process for producing the flat tube | Yasuji Kawamata, Takashi Tamura, Ryoichi Hoshino, Noboru Ogasawara | 2008-03-11 |
| 5784776 | Process for producing flat heat exchange tubes | Yoshihiro Saito, Takashi Tamura, Satoshi Hozumi, Masashi Sakaguchi, Hirosaburo Hirano +2 more | 1998-07-28 |