Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136109 | Method of manufacturing high chromium martensite steel pipe having excellent pitting resistance | Yukio Miyata, Mitsuo Kimura, Takaaki Toyooka, Fumio Murase | 2000-10-24 |
| 6095957 | Roll for hot rolling having enhanced abrasion resistance and reduced carbide segregation | Kenji Ichino, Takaaki Toyooka, Kohji Yuda | 2000-08-01 |
| 5985209 | Martensitic steel for line pipe having excellent corrosion resistance and weldability | Mitsuo Kimura, Yukio Miyata, Takaaki Toyooka, Fumio Murase | 1999-11-16 |
| 5900076 | Bainitic steel materials having a less scattering of properties and method of producing the same | Tohru Hayashi, Keniti Amano, Mitsuhiro Okatsu, Kenji Oi, Fumimaru Kawabata +2 more | 1999-05-04 |
| 5858128 | High chromium martensitic steel pipe having excellent pitting resistance and method of manufacturing | Yukio Miyata, Mitsuo Kimura, Takaaki Toyooka, Fumio Murase | 1999-01-12 |
| 5839495 | Method of manufacturing roll for hot rolling | Kenji Ichino, Yoshitaka Sawa | 1998-11-24 |
| 5827379 | Process for producing extra high tensile steel having excellent stress corrosion cracking resistance | Yoshihiro Okamura, Ryota Yamaba, Ichiro Nakagawa | 1998-10-27 |
| 5766381 | Method of producing bainitic steel materials having a less scattering of properties | Tohru Hayashi, Keniti Amano, Mitsuhiro Okatsu, Kenji Oi, Fumimaru Kawabata +2 more | 1998-06-16 |
| 5738734 | Centrifugal cast roll shell material | Yoshitaka Sawa, Kenji Ichino | 1998-04-14 |
| 5674171 | Roll outer layer material for hot rolling and method of manufacturing roll for hot rolling | Kenji Ichino, Yoshitaka Sawa | 1997-10-07 |
| 5173254 | Steel having excellent vibration-dampening properties and weldability | Keniti Amano, Shozaburo Nakano, Syuzo Ueda | 1992-12-22 |