Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8500874 | Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas | Tetsuya Saitsu, Yujiro Okihara, Nobuyuki Itoh, Ryohei Ueda, Yasuhiro Tanimura +1 more | 2013-08-06 |
| 8460435 | Apparatus for producing high-concentration ozone gas and method of producing high-concentration ozone gas | Yujiro Okihara, Tetsuya Saitsu, Noriyuki Nakamura, Ryohei Ueda, Koji Ota +1 more | 2013-06-11 |
| 8409520 | Ozone concentrator | Koji Ota, Yasuhiro Tanimura, Yujiro Okihara, Tetsuya Saitsu, Noriyuki Nakamura +1 more | 2013-04-02 |
| 7771797 | Photocatalyst material producing method and photocatalyst material producing apparatus | Tetsuya Saitsu, Yujiro Okihara, Ryohei Ueda | 2010-08-10 |
| 7744825 | N-phase ozone generator | Yujiro Okihara, Masayuki Ishikawa, Tetsuya Saitsu | 2010-06-29 |
| 7382087 | Ozone generator system and ozone generating method | Yujiro Okihara, Masayuki Ishikawa, Tetsuya Saitsu, Hatsuo Yotsumoto | 2008-06-03 |
| 6395239 | Ozonizer | Akira Usui | 2002-05-28 |
| 5942196 | Ozone generating apparatus | Masaki Kuzumoto | 1999-08-24 |
| 5726419 | Pulse welding apparatus | Shigeo Ueguri, Yoshihiro Ueda, Masanori Mizuno, Yoshiaki Kato, Osamu Nagano | 1998-03-10 |
| 5495091 | Pulse welding apparatus | Shigeo Ueguri, Yoshihiro Ueda, Masanori Mizuno, Yoshiaki Kato, Osamu Nagano | 1996-02-27 |
| 5452317 | Metal vapor laser apparatus | Kazuhiko Hara, Akihiko Iwata, Shigeo Ueguri, Hiroshi Masuda, Yoshibumi Minowa | 1995-09-19 |
| 5416299 | Pulse welding apparatus | Shigeo Ueguri, Yoshihiro Ueda, Masanori Mizuno, Yoshiaki Katou, Osamu Nagano | 1995-05-16 |
| 5406052 | Pulsed arc welding equipment | Masanori Mizuno, Yoshiaki Katou, Osamu Nagano, Shigeo Ueguri, Yoshihiro Ueda | 1995-04-11 |
| 5317116 | Pulse welding apparatus | Shigeo Ueguri, Yoshihiro Ueda, Masanori Mizuno, Yoshiaki Katou, Osamu Nagano | 1994-05-31 |
| 5281791 | Pulsed arc welding apparatus | Shigeo Ueguri, Yoshihiro Ueda, Masanori Mizuno, Yoshiaki Katou, Osamu Nagano | 1994-01-25 |
| 5243230 | Semiconductor switching apparatus | Hiroshi Itou, Akihiko Iwata, Tatsuki Okamoto, Yoshihiro Ueda | 1993-09-07 |
| 5150375 | Substance vaporizing apparatus | Yoshihiro Ueda, Shigeo Ueguri, Kazuhiko Hara | 1992-09-22 |
| 5122674 | Semiconductor switching apparatus | Hiroshi Itou, Akihiko Iwata, Tatsuki Okamoto, Yoshihiro Ueda, Shinji Murata +1 more | 1992-06-16 |
| 5043557 | Load voltage detecting device for use in an apparatus for supplying a current variable with time to a load section | Shigeo Ueguri, Yoshihiro Ueda | 1991-08-27 |
| 4994646 | Pulse arc discharge welding apparatus | Shigeo Ueguri, Yoshihiro Ueda | 1991-02-19 |
| 4418265 | Device with high frequency contactless type arc generating mechanism | Shigeo Ueguri, Hirotsugu Komura, Toshio Ito | 1983-11-29 |