RD

Ryousuke Dohi

FI Fujikin Incorporated: 91 patents #5 of 318Top 2%
TL Tokyo Electron Limited: 22 patents #230 of 5,567Top 5%
UN Unknown: 20 patents #199 of 83,584Top 1%
TO Tadahiro Ohmi: 2 patents #13 of 65Top 20%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
TU Tokushima University: 1 patents #33 of 100Top 35%
NE Nidec Copal Electronics: 1 patents #21 of 44Top 50%
Overall (All Time): #16,483 of 4,157,543Top 1%
94
Patents All Time

Issued Patents All Time

Showing 76–94 of 94 patents

Patent #TitleCo-InventorsDate
7594517 Gas supply facility of a chamber and a method for an internal pressure control of the chamber for which the facility is employed Hiroshi Kannan, Tomio Uno, Kouji Nishino, Osamu Nakamura, Atsushi Matsumoto +1 more 2009-09-29
7367241 Differential pressure type flowmeter and differential pressure type flow controller Tadahiro Ohmi, Kazuhiko Sugiyama, Tomio Uno, Nobukazu Ikeda, Kouji Nishino +2 more 2008-05-06
7363810 Corrosion resistant metal made thermal type mass flow rate sensor and a fluid supply device using the same Nobukazu Ikeda, Kaoru Hirata, Kouji Nishino 2008-04-29
7278437 Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method Tadahiro Ohmi, Nobukazu Ikeda, Kouji Nishino, Masaaki Nagase, Ryutaro Nishimura 2007-10-09
7219533 Small hole diameter automatic measuring apparatus, small hole diameter measurement method, and shower plate manufacturing method Tadahiro Ohmi, Masaaki Nagase, Kouji Nishino, Osamu Nakamura, Tomio Uno +1 more 2007-05-22
7150444 Valve with an integral orifice Tadahiro Ohmi, Kouji Nishino, Nobukazu Ikeda, Michio Yamaji, Eiji Ideta +1 more 2006-12-19
7085628 Apparatus for the correction of temperature drift for pressure sensor, pressure control apparatus and pressure-type flow rate control apparatus Tadahiro Ohmi, Tomio Uno, Osamu Nakamura, Nobukazu Ikeda, Kouji Nishino +2 more 2006-08-01
6964279 Pressure-type flow rate control apparatus Tadahiro Ohmi, Tomio Uno, Osamu Nakamura, Nobukazu Ikeda, Kouji Nishino +5 more 2005-11-15
6871803 Valve with an integral orifice Tadahiro Ohmi, Kouji Nishino, Nobukazu Ikeda, Michio Yamaji, Eiji Ideta +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, Eiji Ideta, Nobukazu Ikeda, 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
6178995 Fluid supply apparatus Tadahiro Ohmi, Tetu Kagazume, Kazuhiko Sugiyama, Yukio Minami, Kouji Nishino +3 more 2001-01-30
6158679 Orifice for pressure type flow rate control unit and process for manufacturing orifice Tadahiro Ohmi, Tetu Kagazume, Kazuhiko Sugiyama, Osamu Fukada, Susumu Ozawa +6 more 2000-12-12
6152168 Pressure-type flow rate control apparatus Tadahiro Ohmi, Tetu Kagazume, Kazuhiko Sugiyama, Tomio Uno, Kouji Nishino +3 more 2000-11-28