Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718484 | Method of forming a dielectic film that contains silicon, oxygen and nitrogen and method of fabricating a semiconductor device that uses such a dielectric film | Tadahiro Ohmi, Shigetoshi Sugawa, Masaki Hirayama | 2010-05-18 |
| 7501764 | Fluorescent lamp and method of manufacturing same | Tadahiro Ohmi, Akihiro Morimoto | 2009-03-10 |
| 7439121 | Dielectric film and method of forming it, semiconductor device, non-volatile semiconductor memory device, and production method for semiconductor device | Tadahiro Ohmi, Shigetoshi Sugawa, Masaki Hirayama | 2008-10-21 |
| 7103990 | Rotary silicon wafer cleaning apparatus | Tadahiro Ohmi, Takumi Fujita, Yukio Minami, Nobukazu Ikeda, Akihiro Morimoto +1 more | 2006-09-12 |
| 7000419 | High-efficiency gas temperature/humidity controlling device and controlling method | Tadahiro Ohmi, Masaki Hirayama, Hideo Hanaoka, Takeshi Honma, Hirokazu Suzuki +2 more | 2006-02-21 |
| 6962283 | Welding method for fluorine-passivated member for welding, fluorine-passivated method after being weld, and welded parts priority data | Tadahiro Ohmi, Takahisa Nitta, Osamu Nakamura | 2005-11-08 |
| 6940034 | Long life welding electrode and its fixing structure, welding head, and welding method | Tadahiro Ohmi, Takahisa Nitta, Osamu Nakamura | 2005-09-06 |
| 6847672 | Laser gas supply path structure in an exposure apparatus | Tadahiro Ohmi, Hiroshi Osawa, Nobuyoshi Tanaka, Kazuhide Ino, Toshikuni Shinohara +1 more | 2005-01-25 |
| 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 |
| 6563072 | Welding technique for forming passive chromium oxide film in weld and gas feed system for welding | Tadahiro Ohmi, Takahisa Nitta, Osamu Nakamura | 2003-05-13 |
| 6462298 | Long life welding electrode and its fixing structure, welding head and welding method | Tadahiro Ohmi, Takahisa Nitta, Osamu Nakamura | 2002-10-08 |
| 6436353 | Gas recovering apparatus | Tadahiro Ohmi, Takahisa Nitta, Taiji Hashimoto, Kazuhide Ino | 2002-08-20 |
| 6220500 | Welding method for fluorine-passivated member for welding, fluorine-passivation method after being weld, and welded parts | Tadahiro Ohmi, Takahisa Nitta, Osamu Nakamura | 2001-04-24 |
| 6215806 | Excimer laser generator provided with a laser chamber with a fluoride passivated inner surface | Tadahiro Ohmi, Naoto Sano | 2001-04-10 |
| 6178465 | Image processors for reading and outputting data | Chiharu Wakabayashi | 2001-01-23 |
| 5923693 | Discharge electrode, shape-restoration thereof, excimer laser oscillator, and stepper | Tadahiro Ohmi, Naoto Sano | 1999-07-13 |
| 5569350 | Mechanism and method for mechanically removing a substrate | Tomoaki Osada | 1996-10-29 |
| 5530283 | Lead frame and lead frame material | Tadahiro Ohmi, Nobukazu Ikeda, Michio Yamaji, Tsutomu Shinohara, Akihiro Morimoto | 1996-06-25 |
| 4747928 | Substrate processing apparatus including wafer transporting and substrate cooling mechanisms | Nobuyuki Takahashi, Ryuji Sugimoto | 1988-05-31 |
| 4643629 | Automatic loader | Nobuyuki Takahashi, Ryuji Sugimoto | 1987-02-17 |