Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565167 | Stainless steel excellent in fused-salt corrosion resistance and method of producing the same | Nobukazu Fujimoto, Naoto Hiramatsu | 1996-10-15 |
| 5462611 | Ferritic stainless steel excellent in high temperature oxidation resistance and scale adhesion | Naoto Hiramatsu, Manabu Oku | 1995-10-31 |
| 5458156 | Stainless steel multifold pipe | Naoto Okubo, Katsuhisa Miyakusu, Takashi Igawa, Yukio Oda, Yukito Nomura +2 more | 1995-10-17 |
| 5332544 | High-aluminum-containing ferritic stainless steel having improved high-temperature oxidation resistance | Katsuhisa Miyakusu, Naoto Hiramatsu | 1994-07-26 |
| 5304259 | Chromium containing high strength steel sheet excellent in corrosion resistance and workability | Katsuhisa Miyakusu, Masayuki Kinugasa, Takashi Igawa, Hiroshi Fujimoto | 1994-04-19 |
| 5302214 | Heat resisting ferritic stainless steel excellent in low temperature toughness, weldability and heat resistance | Naoto Hiramatsu, Sadayuki Nakamura | 1994-04-12 |
| 5286442 | High-aluminum-containing ferritic stainless steel having improved high-temperature oxidation resistance | Katsuhisa Miyakusu, Naoto Hiramatsu | 1994-02-15 |
| 5269856 | Process for producing high strength endless steel belt having a duplex structure of austenite and martesite | Takashi Igawa, Toshihiko Takemoto | 1993-12-14 |
| 5178687 | Chromium containing steel sheet excellent in corrosion resistance and workability | Katsuhisa Miyakusu, Masayuki Kinugasa, Takashi Igawa, Hiroshi Fujimoto | 1993-01-12 |
| 5171384 | Process for producing high strength stainless steel strip excellent in shape | Takashi Igawa, Toshihiko Takemoto | 1992-12-15 |
| 4999159 | Heat-resistant austenitic stainless steel | Isami Shimizu, Naoto Hiramatsu | 1991-03-12 |
| 4762575 | Process for producing electrical steel sheet | Akira Sakakura, Kazuo Hoshino, Takashi Igawa, Hiroshi Fujimoto | 1988-08-09 |
| 4652428 | Corrosion resistant alloy | Shigeaki Maruhashi, Kazuo Hoshino, Katsuhisa Miyakusu, Takehiko Fujimura | 1987-03-24 |
| 4594114 | Process for producing strip of corrosion resistant alloy steel | Shigeaki Maruhashi, Kazuo Hoshino, Katsuhisa Miyakusu, Takehiko Fujimura | 1986-06-10 |
| 4581066 | Corrosion resistant alloy | Shigeaki Maruhashi, Kazuo Hoshino, Katsuhisa Miyakusu, Takehiko Fujimura | 1986-04-08 |