Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5961284 | High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine | Mitsuo Kuriyama, Masao Shiga, Kishio Hidaka, Shigeyoshi Nakamura, Yutaka Fukui +2 more | 1999-10-05 |
| 5879132 | Stainless steel type 13Cr5Ni having high toughness, and usage of the same | Kenichi Usami, Hiroshi Takayasu, Tsutomu Onuma, Makoto Kanda, Fumio Sakamoto +2 more | 1999-03-09 |
| 5601411 | Stainless steel type 13Cr5Ni having high toughness, and usage the same | Kenichi Usami, Hiroshi Takayasu, Tsutomu Onuma, Makoto Kanda, Fumio Sakamoto +2 more | 1997-02-11 |