Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7353863 | Method of surface treating aluminum alloy base body of heat exchanger and heat exchanger produced by the method | Kengo Kobayashi, Osamu Kasebe, Hiroyoshi Sugawara, Kazuhisa Uchiyama, Kenji Karube +1 more | 2008-04-08 |
| 6478860 | Conditioning metal surfaces before phosphating them | Takaomi Nakayama, Yasuhiko Nagashima, Hirokastu Bannai | 2002-11-12 |
| 6214132 | Conditioning metal surfaces prior to phosphate conversion coating | Takaomi Nakayama, Yasuhiko Nagashima | 2001-04-10 |