Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935552 | High-precision method and apparatus for evaluating creep damage | Nobuyoshi Komai, Masahiro Kobayashi | 2005-08-30 |
| 6919534 | Welded joints in high strength, heat resistant steels, and a welding method therefor | Nobuyoshi Komai, Yasuhiro Ukeguchi, Fumio Nishi | 2005-07-19 |
| 6379611 | High strength, low alloy, heat resistant steel | Nobuyoshi Komai, Tomomitsu Yokoyama, Hiroyuki Hirata, Kaori Kawano, Takao Kan | 2002-04-30 |
| 5972287 | Heat-resisting steel | Akitsugu Fujita, Masatomo Kamada | 1999-10-26 |
| 5945064 | Welding material for low chromium (Cr) ferritic steel having high toughness | Nobuyoshi Komai, Takayuki Kawano, Iwami Ishihara, Tomomitsu Yokoyama | 1999-08-31 |
| 5814274 | Low-Cr ferritic steels and low-Cr ferritic cast steels having excellent high teperature strength and weldability | Nobuyoshi Komai, Tomomitsu Yokoyama | 1998-09-29 |
| 5746843 | Low Mn-low Cr ferritic heat resistant steel excellent in strength at elevated temperatures | Kaori Miyata, Masaaki Igarashi, Nobuyoshi Komai, Tomomitsu Yokoyama | 1998-05-05 |
| 5556561 | Method of forming a weld joint of austenitic stainless steel/ferritic steel | Kaneyasu Ishikawa, Fumio Mitsuura | 1996-09-17 |
| 5407635 | Low-chromium ferritic heat-resistant steel with improved toughness and creep strength | Atsuro Iseda, Yoshiatsu Sawaragi, Tomomitsu Yokoyama | 1995-04-18 |
| 5268142 | High-nitrogen ferritic heat-resisting steel with high vanadium content and method of production thereof | Yasushi Hasegawa, Masahiro Ohgami, Hisashi Naoi, Shuichi Funaki | 1993-12-07 |
| 5254307 | High-nitrogen ferritic heat-resisting steel with high niobium content and method of production thereof | Yasushi Hasegawa, Masahiro Ohgami, Hisashi Naoi | 1993-10-19 |
| 5211909 | Low-alloy heat-resistant steel having improved creep strength and toughness | Atsuro Iseda, Yoshiatsu Sawaragi, Tomomitsu Yokoyama | 1993-05-18 |
| 5204056 | Method of production of high-nitrogen ferritic heat-resisting steel | Yasushi Hasegawa, Peter Ernst | 1993-04-20 |
| 5158745 | High-nitrogen ferritic heat-resisting steel | Yasushi Hasegawa, Peter Ernst | 1992-10-27 |
| 5084238 | High strength heat-resistant low alloy steels | Humio Mitsuura | 1992-01-28 |
| 5038035 | Automatic structure analyzing/processing apparatus | Nobuhiko Nishimura, Akira Kaneko | 1991-08-06 |
| 4957701 | High-strength high-Cr ferritic heat-resistant steel | Takashi Daikoku, Hisao Haneda, Kunihiko Yoshikama, Hiroshi Teranishi, Atsuro Iseda | 1990-09-18 |
| 4907457 | Method of evaluating residual life of heat-resistant steel | Nobuhiko Nishimura, Tetsuro Sada | 1990-03-13 |
| 4799972 | Process for producing a high strength high-Cr ferritic heat-resistant steel | Takashi Daikoku, Hisao Haneda, Kunihiko Yoshikawa, Hiroshi Teranishi, Atsuro Iseda | 1989-01-24 |