Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458318 | Heat resistant nickel base alloy | Yoshitaka Nishiyama, Toshiro Anraku, Kazuhiro Ogawa, Hirokazu Okada | 2002-10-01 |
| 5824264 | High-temperature stainless steel and method for its production | Hideki Uno, Yoshitaka Nishiyama, Nobuo Otsuka, Kazuhiro Ogawa, Toshiro Anraku | 1998-10-20 |
| 5626817 | Austenitic heat resistant steel excellent in elevated temperature strength | Hiroyuki Senba | 1997-05-06 |
| 5543109 | Heat resistant high chromium austenitic alloy excellent in strength at elevated temperatures | Hiroyuki Senba | 1996-08-06 |
| 5407635 | Low-chromium ferritic heat-resistant steel with improved toughness and creep strength | Atsuro Iseda, Fujimitsu Masuyama, Tomomitsu Yokoyama | 1995-04-18 |
| 5240516 | High-chromium ferritic, heat-resistant steel having improved resistance to copper checking | Atsuro Iseda, Fujimitsu Mausyama, Tomomitsu Yokoyama | 1993-08-31 |
| 5211911 | High vanadium austenitic heat resistant alloy | Yozo Hayase, Shigemitsu Kihara, Wate T. Bakker | 1993-05-18 |
| 5211909 | Low-alloy heat-resistant steel having improved creep strength and toughness | Atsuro Iseda, Fujimitsu Masuyama, Tomomitsu Yokoyama | 1993-05-18 |
| 5069870 | High-strength high-CR steel with excellent toughness and oxidation resistance | Atsuro Iseda | 1991-12-03 |
| 5021215 | High-strength, heat-resistant steel with improved formability and method thereof | Nobuyuki Maruyama | 1991-06-04 |
| 4892704 | Low Si high-temperature strength steel tube with improved ductility and toughness | — | 1990-01-09 |
| 4842823 | Austenitic steel having improved high-temperature strength and corrosion resistance | Kunihiko Yoshikawa, Hiroshi Teranishi | 1989-06-27 |