Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8124247 | High-strength welded steel pipe including weld metal having high cold-cracking resistance and method for manufacturing the same | Naoya Hayakawa, Fumimaru Kawabata, Mitsuhiro Okatsu, Makoto Ota, Shigeki Nishiyama +2 more | 2012-02-28 |
| 6784402 | Steel wire for MAG welding and MAG welding method using the same | Tokihiko Kataoka, Koichi Yasuda | 2004-08-31 |
| 5294485 | Organic composite coated steel strip having improved corrosion resistance and weldability | Kenji Takao, Hideo Ohgishi, Hajime Kimura | 1994-03-15 |
| 5004884 | Method of submerged arc welding a thick steel plate with large heat input and submerged arc welding flux | Tadamasa Yamaguchi, Itaru Yamashita | 1991-04-02 |
| 4644419 | Floppy disk unit | Hiroshi Iinuma, Takashi Suzuki | 1987-02-17 |