Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8137787 | Metal material having formed thereon chromium oxide passive film and method for producing the same, and parts contacting with fluid and system for supplying fluid and exhausting gas | Tadahiro Ohmi, Yasuyuki Shirai, Nobukazu Ikeda, Akihiro Morimoto, Tetsutaro Ogushi +1 more | 2012-03-20 |
| 7935385 | Metal material having formed thereon chromium oxide passive film and method for producing the same, and parts contacting with fluid and system for supplying fluid and exhausting gas | Tadahiro Ohmi, Yasuyuki Shirai, Nobukazu Ikeda, Akihiro Morimoto, Tetsutaro Ogushi +1 more | 2011-05-03 |
| 7497482 | Pipe joint | Kazuhiko Sugiyama, Keiko Hada, Nobukazu Ikeda, Naofumi Yasumoto, Michio Yamaji | 2009-03-03 |
| 7150444 | Valve with an integral orifice | Tadahiro Ohmi, Kouji Nishino, Nobukazu Ikeda, Michio Yamaji, Ryousuke Dohi +1 more | 2006-12-19 |
| 6871803 | Valve with an integral orifice | Tadahiro Ohmi, Kouji Nishino, Nobukazu Ikeda, Michio Yamaji, Ryousuke Dohi +1 more | 2005-03-29 |
| 6848470 | Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus | Tadahiro Ohmi, Satoshi Kagatsume, Kazuhiko Sugiyama, Yukio Minami, Kouji Nishino +13 more | 2005-02-01 |
| 6820632 | Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus | Tadahiro Ohmi, Satoshi Kagatsume, Kazuhiko Sugiyama, Yukio Minami, Kouji Nishino +13 more | 2004-11-23 |
| 6606912 | Structure or construction for mounting a pressure detector | Tadahiro Ohmi, Takashi Hirose, Nobukazu Ikeda, Ryousuke Dohi, Kouji Nishino +6 more | 2003-08-19 |
| 6450190 | Method of detecting abnormalities in flow rate in pressure-type flow controller | Tadahiro Ohmi, Seiichi Iida, Satoshi Kagatsume, Jun Hirose, Kazuo Fukasawa +6 more | 2002-09-17 |
| 6422264 | Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus | Tadahiro Ohmi, Satoshi Kagatsume, Kazuhiko Sugiyama, Yukio Minami, Kouji Nishino +13 more | 2002-07-23 |
| 6302130 | Method and apparatus for detection of orifice clogging in pressure-type flow rate controllers | Tadahiro Ohmi, Seiichi Iida, Satoshi Kagatsume, Jun Hirose, Kouji Nishino +7 more | 2001-10-16 |
| 6289923 | Gas supply system equipped with pressure-type flow rate control unit | Tadahiro Ohmi, Satoshi Kagatsume, Nobukazu Ikeda, Kouji Nishino, Kazuhiro Yoshikawa +3 more | 2001-09-18 |
| 6105475 | Tightening device | Tadahiro Ohmi, Hiroyuki Fukuda, Keiji Hirao, Tsutomu Shinohara, Michio Yamaji +2 more | 2000-08-22 |
| 6018136 | System for supervising piping work | Tadahiro Ohmi, Ryosuke Dohi, Hiroyuki Fukuda, Hiroshi Morokoshi, Nobukazu Ikeda | 2000-01-25 |
| 5981905 | System for supervising piping work | Tadahiro Ohmi, Ryosuke Dohi, Hiroyuki Fukuda, Hiroshi Morokoshi, Nobukazu Ikeda | 1999-11-09 |
| 5837907 | Method of tightening threaded members | Tadahiro Ohmi, Hiroyuki Fukuda, Keiji Hirao, Tsutomu Shinohara, Michio Yamaji +2 more | 1998-11-17 |
| 5711197 | Tube facing machine | Tadahiro Ohmi, Akihiro Morimoto | 1998-01-27 |
| 5609077 | Tightening device | Tadahiro Ohmi, Nobukazu Ikeda, Ryosuke Dohi, Kunio Nagai, Koji Nishino +3 more | 1997-03-11 |
| 5502883 | Method of tightening threaded member | Tadahiro Ohmi, Nobukazu Ikeda, Ryosuke Dohi, Kunio Nagai, Koji Nishino +3 more | 1996-04-02 |
| 4967996 | Pilot type controlled electromagnetic valve system | Yoshiteru Sonoda, Atsuo Tomita, Koji Nishino, Koichi Tsubomoto | 1990-11-06 |