Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9534132 | Hydrophilic surface treatment agent for aluminum-containing metal heat exchangers having excellent drainage | Tomohiro Osako, Hyonsoo Ahn | 2017-01-03 |
| 8663376 | Surface treatment solution for autodeposition coating of metallic material and autodeposition coating treatment method | Hideki Takakuwa, Takahiro Fujino | 2014-03-04 |
| 7819989 | Surface treating solution for surface treatment of aluminum or magnesium metal and a method for surface treatment | Kazuhiro Ishikura, Michiro Kurosawa, Hiroyuki Sato, Tadashi Matsushita, Eisaku Okada +2 more | 2010-10-26 |
| 7641981 | Surface treated metal material | Hiroyuki Sato, Toshiyuki Aishima | 2010-01-05 |
| 7531051 | Treating solution for metal surface treatment and a method for surface treatment | Hiroyuki Sato, Tetsuo Ootsuki, Tadashi Matsushita, Eisaku Okada, Fumiya Yoshida +1 more | 2009-05-12 |
| 6723178 | Process for forming a phosphate conversion coating on metal | Hirokatsu Bannai, Yasuhiko Nagashima | 2004-04-20 |
| 6478860 | Conditioning metal surfaces before phosphating them | Yasuhiko Nagashima, Kensuke Shimoda, Hirokastu Bannai | 2002-11-12 |
| 6361623 | Method for phosphatizing iron and steel | Kazuhiro Ishikura, Manabu Kumagaya | 2002-03-26 |
| 6214132 | Conditioning metal surfaces prior to phosphate conversion coating | Yasuhiko Nagashima, Kensuke Shimoda | 2001-04-10 |