Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6702906 | Ni-base heat resistant alloy and welded joint thereof | Kazuhiro Ogawa, Kazuyuki Kitamura, Hirokazu Okada | 2004-03-09 |
| 6623869 | Metal material having good resistance to metal dusting | Nobuo Otsuka | 2003-09-23 |
| 6458318 | Heat resistant nickel base alloy | Toshiro Anraku, Yoshiatsu Sawaragi, Kazuhiro Ogawa, Hirokazu Okada | 2002-10-01 |
| 5944917 | Stainless steel for ozone added water and manufacturing method thereof | Kiyoko Takeda, Shigeki Azuma, Yoshio Tarutani, Yasushi Matsuda | 1999-08-31 |
| 5824264 | High-temperature stainless steel and method for its production | Hideki Uno, Yoshiatsu Sawaragi, Nobuo Otsuka, Kazuhiro Ogawa, Toshiro Anraku | 1998-10-20 |