Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D451113 | Nozzle for a plasma arc torch | Toshiya Shintani, Toru Shiina, Yoshitaka Niigaki | 2001-11-27 |
| D446795 | Nozzle for a plasma arc torch | Toshiya Shintani, Toru Shiina, Yoshitaka Niigaki | 2001-08-21 |
| 6255618 | Method and apparatus for spot welding a work having a plurality of welding materials placed on top of each other by boring a hole to release vapors | Toshiya Shintani, Yohsuke IMAI, Yoshitaka Niigaki, Kengo Kamiya, Hideto Uematsu | 2001-07-03 |
| D417459 | Electrode for a plasma arc torch | Toshiya Shintani, Yosuke Imai, Yoshitaka Niigaki, Toru Shiina | 1999-12-07 |
| D414788 | Nozzle for a plasma arc torch | Toshiya Shintani, Yosuke Imai, Yoshitaka Niigaki, Toru Shiina | 1999-10-05 |
| 5734144 | Plasma arc welding method and apparatus in which a swirling flow is imparted to a plasma gas to stabilize a plasma arc | Yoshihiro Yamaguchi, Masamitsu Kitahashi, Mikio Minonishi | 1998-03-31 |
| 5728991 | Plasma arc welding apparatus and welding method using the same | Hiroshi Takada, Masamitsu Kitahashi, Kunio Horiai, Mikio Minonishi | 1998-03-17 |
| 5726414 | Plasma torch with swirling gas flow in a shielding gas passage | Masamitsu Kitahashi, Mikio Tokunaga, Hiroyuki Tokynaya | 1998-03-10 |
| 5521350 | Stand-off control apparatus for plasma processing machines | Yozo Nishi | 1996-05-28 |
| 5225658 | Stopping a plasma arc cutter upon completion of cutting | Yoshihiro Yamaguchi | 1993-07-06 |