Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220246 | Method and apparatus for transmitting information using arc | Kitoshi Hashimoto, Takijiro Shimamoto, Tetsuo Horie, Yasuyuki Maehara, Toshihiko Maeda | 1993-06-15 |
| 4525619 | Automatic weld line following method | Hiroshi Fujimura | 1985-06-25 |