Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5841097 | Process and apparatus for welding workpieces with two or more laser beams whose spots are oscillated across welding direction | Fumikatsu Esaka, Eiji Nishi | 1998-11-24 |
| 5283415 | Manufacturing method of a vehicle panel | Eiji Nishi, Kimikazu Ikemoto, Fumiaki Natsumi, Takao Iwai, Toshiro Shiraki | 1994-02-01 |
| 5250783 | Method of laser-welding metal sheets having different thickness | Eiji Nishi, Taminori Yanagisawa, Kouichi Arima | 1993-10-05 |