Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6027145 | Joint for steel pipe having high galling resistance and surface treatment method thereof | Eiji Tsuru, Masaharu Oka, Haruyuki Nagayoshi, Akira Nakashima, Ryusuke Inoue +2 more | 2000-02-22 |
| 5853806 | Process for hot dip-coating steel material with molten aluminum alloy by one-stage coating method using flux and bath of molten aluminum alloy metal | Shigeru Nakano, Toshiyuki Aishima | 1998-12-29 |
| 5082536 | Method of producing a high corrosion resistant plated composite steel strip | Teruaki Izaki, Makoto Yoshida, Masami Osawa, Sato Hisaaki | 1992-01-21 |
| 4946748 | Highly anticorrosive coated steel sheet for fuel vessel and process for production thereof | Kenichi Asakawa, Toshinori Mizuguchi, Minoru Fujinaga | 1990-08-07 |
| 4910095 | High corrosion resistant plated composite steel strip | Teruaki Izaki, Makoto Yoshida, Masami Osawa, Sato Hisaaki | 1990-03-20 |
| 4891274 | Hot-dip aluminum coated steel sheet having excellent corrosion resistance and heat resistance | Kenichi Asakawa, Takayuki Ohmori, Koji Umeno, Nobuyoshi Okada, Minoru Fujinaga +2 more | 1990-01-02 |
| 4846939 | Method for producing a grain-oriented electrical steel sheet having an ultra low watt loss | Makoto Yoshida, Teruaki Izaki, Osamu Tanaka | 1989-07-11 |
| 4842958 | Chromate surface treated steel sheet | Tomonari Ohga, Toshinori Katayama, Fumio Yamamoto | 1989-06-27 |
| 4800134 | High corrosion resistant plated composite steel strip | Teruaki Izaki, Makoto Yoshida, Masami Osawa, Akinori Maruta | 1989-01-24 |
| 4784731 | Chromate treatment of a metal coated steel sheet | Akinori Maruta, Kenichi Asakawa, Akimitsu Fukuda, Haruyoshi Terada, Youji Ono | 1988-11-15 |
| 4731301 | Tinned steel sheet having a high degree of corrosion resistance and a method of producing the same | Yashichi Oyagi, Tomonari Oga, Toshinori Mizuguchi, Senkichi Tsujimura, Toshinori Katayama +2 more | 1988-03-15 |