Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6846368 | Casting steel having high strength and low thermal expansion | Susumu Katsuragi, Yasuhiro Ojiro, Daisuke Izutsu | 2005-01-25 |
| 6562157 | Manufacturing process of nickel-based alloy having improved high temperature sulfidation-corrosion resistance | Takehiro Ohno, Toshihiro Uehara, Hiroshi Yakuwa, Matsuho Miyasaka, Shuhei Nakahama +1 more | 2003-05-13 |
| 6447624 | Manufacturing process of nickel-based alloy having improved hot sulfidation-corrosion resistance | Takehiro Ohno, Toshihiro Uehara, Hiroshi Yakuwa, Matsuho Miyasaka, Shuhei Nakahama +1 more | 2002-09-10 |
| 4740354 | Nickel-base alloys for high-temperature forging dies usable in atmosphere | Rikizo Watanabe, Takehiro Ohno | 1988-04-26 |