Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538078 | Aluminum-containing metal composite material and process for producing same | Ryosuke Sako, Tomohiro Osako, Osamu Furuyama | 1996-07-23 |
| 5500288 | Aluminum surface having chemical conversion coating and method of forming the coating | Yasuaki Isobe | 1996-03-19 |
| 5201119 | Method of manufacturing an aluminum heat exchanger | Masayoshi Nishikawa, Noriaki Kishi, Hideaki Kaneko, Ryosuke Sako, Naomasa Shimotomai | 1993-04-13 |
| 5070938 | Aluminum heat exchanger and method of manufacturing same | Masayoshi Nishikawa, Noriaki Kishi, Hideaki Kaneko, Ryosuke Sako, Naomasa Shimotomai | 1991-12-10 |