Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923396 | Method and apparatus for heating a strip of metallic material in a continuous annealing furnace | Masahiro Harada, Kenichi Yanagi, Takeo Fukushima, Kusuo Furukawa, Norio Ohta +2 more | 1990-05-08 |
| 4836774 | Method and apparatus for heating a strip of metallic material in a continuous annealing furnace | Masahiro Harada, Kenichi Yanagi, Takeo Fukushima, Kusuo Furukawa, Norio Ohta +2 more | 1989-06-06 |
| 4595357 | Continuous annealing method and apparatus for cold rolled steel strips | Kuniaki Sato, Yasuhisa Nakajima, Norio Ohta, Atsushi Nagashima | 1986-06-17 |
| 4292097 | High tensile strength steel sheets having high press-formability and a process for producing the same | Yoshio Nakazato, Tomoo Tanaka, Koichi Hashiguchi | 1981-09-29 |