Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194222 | Alloy and composite steel tube with corrosion resistance in combustion environment where V, NA, S and C1 are present | Hiroyuki Ogawa, Tetsuo Ishitsuka, Kozo Denpo, Akihiro Miyasaka, Mizuo Sakakibara | 1993-03-16 |
| 4198229 | Method of dephosphorization of metal or alloy | Hiroyuki Katayama, Makoto Inatomi, Hiroyuki Kajioka, Yasushi Nakamura, Kazuumi Harashima +1 more | 1980-04-15 |