Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839949 | Rollers for rolling mills | Masahisa Sobue, Sensuke Okada, Keiichi Kuniya, Toshimi Sasaki, Toshiyuki Kajiwara +2 more | 1989-06-20 |
| 4810461 | Zirconium-based alloy with high corrosion resistance | Masahisa Inagaki, Iwao Takase, Masayoshi Kanno, Jiro Kuniya, Isao Masaoka +2 more | 1989-03-07 |