Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10800933 | Surface treatment solution for plated steel sheet to be hot-pressed | Soshi Fujita, Jun Maki, Shintaro Yamanaka, Masao Kurosaki, Tatsuya Suzuki +2 more | 2020-10-13 |
| 8097306 | Aqueous treating solution for Sn-based plated steel sheet excellent in corrosion resistance and paint adhesion, and production method of surface-treated steel sheet | Shinichi Yamaguchi, Masao Kurosaki, Yasuto Goto, Manabu Kumagai, Takumi Kozaki | 2012-01-17 |
| 7153348 | Hexavalent chromium-free surface-treating agent for Sn or Al-based coated steel sheet, and surface treated steel sheet | Teruaki Izaki, Masahiro Fuda, Mitsuru Nakamura, Katsuyuki Kawakami | 2006-12-26 |
| 6149735 | Chromate treatment bath composition and process for application to metals | Takashi Oue | 2000-11-21 |
| 5667843 | Pre-treating zinciferous surfaces before conventional chromating to improve rust resistance | Noriaki Yoshitake, Takao Ogino | 1997-09-16 |
| 5472522 | Making galvanized steel with excellent darkening resistance | Jun Kawaguchi, Takao Ogino | 1995-12-05 |
| 5362333 | Pretreatment for zinc and zinc alloy prior to chromating | Noriaki Yoshitake, Hitoshi Ishii | 1994-11-08 |