Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061575 | Lubricating resin coated steel strips having improved formability and corrosion resistance | Taizo Mohri, Nobuo Totsuka, Takao Kurisu, Hideaki Sawatari, Tanehiro Inoue | 1991-10-29 |
| 4775599 | Cold rolled steel sheets having an improved press formability | Saiji Matsuoka, Takashi Obara, Kozo Tsunoyama, Shigeru Kobayashi, Toshio Ichida | 1988-10-04 |
| 4579633 | Method of producing tin-free steel sheets | Hideo Kobayashi, Hajime Ogata, Motoharu Hamada, Shunichi Harada | 1986-04-01 |
| 4542077 | Tin-free steel sheets having improved lacquer adhesion | Hajime Ogata, Yoshiharu Ohashi, Toshio Ichida, Toshio Irie | 1985-09-17 |
| 4519879 | Method of producing tin-free steel sheets | Toshio Ichida, Hideo Kobayashi, Hajime Ogata | 1985-05-28 |
| 4432845 | Method of producing tin-free steel sheets having improved resistance to retorting treatment | Hajime Ogata, Toshio Ichida, Toshio Irie | 1984-02-21 |
| 4318754 | Surface treatment method for tin-free steel | Norio Kosuge, Hajima Kimura | 1982-03-09 |