Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126897 | Carburizing steel and steel products manufactured making use of the carburizing steel | Yasuhide Fujioka, Kazuhiko Yoshida, Tatsuhiro Goto, Akira Wakita | 2000-10-03 |
| 5853502 | Carburizing steel and steel products manufactured making use of the carburizing steel | Yasuhide Fujioka, Kazuhiko Yoshida, Tatsuhiro Goto, Akira Wakita | 1998-12-29 |
| 5080727 | Metallic material having ultra-fine grain structure and method for its manufacture | Chihiro Hayashi, Takashi Tsukamoto, Nobuhiro Murai, Hyoji Hagita | 1992-01-14 |
| 4881987 | Process for direct softening heat treatment of rolled wire rods | Susumu Kanbara, Masato Tomiku, Yoshio Kawashima, Tadashi Sawada, Shinji Okuda +1 more | 1989-11-21 |
| 4834345 | Process and apparatus for direct softening heat treatment of rolled wire rods | Susumu Kanbara, Masato Tomiku, Yoshio Kawashima, Tadashi Sawada, Shinji Okuda +1 more | 1989-05-30 |
| 4604145 | Process for production of steel bar or steel wire having an improved spheroidal structure of cementite | Susumu Kanabara | 1986-08-05 |
| 4604146 | Process for manufacturing high tensile steel wire | Akira Aida, Tetsu Ohno, Takashi Fukuda, Takuo Mizoguchi, Syozi Nishimura +1 more | 1986-08-05 |
| 4545227 | Apparatus for dry type continuous wire drawing | Chuzoh Sudoh, Hyoji Hagita, Motoo Asakawa, Hiroshi Nagai | 1985-10-08 |
| 4525598 | Steel wire for use in stranded steel core of an aluminum conductor, steel reinforced and production of same | Takashi Tsukamoto, Chuzo Sudo, Syozi Nishimura | 1985-06-25 |
| 4240827 | Nonmagnetic alloy steel having improved machinability | Masashi Takahashi | 1980-12-23 |