Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515644 | Method for producing ferritic stainless steel sheets or strips containing aluminum | Tadashi Sawatani, Mitsuo Ishii, Hirofumi Yoshimura | 1985-05-07 |
| 4473416 | Process for producing aluminum-bearing grain-oriented silicon steel strip | Yakichiro Kawamo | 1984-09-25 |
| 4394188 | Process for producing ferrite stainless steel sheets having excellent workability | Tadashi Nakayama | 1983-07-19 |
| 4302257 | Process for producing a grain-oriented silicon steel sheet | Fumio Matsumoto, Kunihide Takashima, Hisanobu Nakayama | 1981-11-24 |
| 4225366 | Process for producing grain oriented electrical silicon steel sheet containing aluminium | Shozaburo Nakashima, Yasukazu Mori | 1980-09-30 |