Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818320 | Welding method for welded members subjected to fluoride passivation treatment, fluoride passivation retreatment method, and welded parts | Tadahiro Ohmi, Takahisa Nitta, Osamu Nakamura | 2004-11-16 |
| 6804285 | Gas supply path structure for a gas laser | Tadahiro Ohmi, Hiroshi Osawa, Nobuyoshi Tanaka, Kazuhide Ino, Toshikuni Shinohara +1 more | 2004-10-12 |
| 6748751 | Air cooling device and air cooling method | Tadahiro Ohmi, Sadao Kobayashi, Isao Terada, Toshihisa Okabe, Takashi Taniguchi +7 more | 2004-06-15 |