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 51–75 of 94 patents

Patent #TitleCo-InventorsDate
9038663 Opening degree detection device for automatically operated valve Atsuo Tomita, Kouji Nishino, Yohei Sawada, Nobukazu Ikeda 2015-05-26
9010369 Flow rate range variable type flow rate control apparatus Tadahiro Ohmi, Masahito Saito, Shoichi Hino, Tsuyoshi Shimazu, Kazuyuki Miura +10 more 2015-04-21
8931506 Gas supply apparatus equipped with vaporizer Atsushi Nagata, Masaaki Nagase, Atsushi Hidaka, Kaoru Hirata, Atsushi Matsumoto +2 more 2015-01-13
8833730 Cam control valve Yohei Sawada, Kouji Nishino, Nobukazu Ikeda 2014-09-16
8757197 Automatic pressure regulator for flow rate regulator Kaoru Hirata, Katsuyuki Sugita, Kouji Nishino, Nobukazu Ikeda 2014-06-24
8724974 Vaporizer Tadahiro Ohmi, Yasuyuki Shirai, Masaaki Nagase, Satoru Yamashita, Atsushi Hidaka +3 more 2014-05-13
8714188 Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used Tadahiro Ohmi, Kouji Nishino, Masaaki Nagase, Nobukazu Ikeda, Ryutaro Nishimura 2014-05-06
8662471 Solenoid valve Tadahiro Ohmi, Kouji Nishino, Tsuyoshi Tanigawa, Michio Yamaji, Nobukazu Ikeda 2014-03-04
8601976 Gas supply system for semiconductor manufacturing facilities Kouji Nishino, Masaaki Nagase, Kaoru Hirata, Katsuyuki Sugita, Nobukazu Ikeda 2013-12-10
8606412 Method for detecting malfunction of valve on the downstream side of throttle mechanism of pressure type flow control apparatus Masaaki Nagase, Nobukazu Ikeda, Kouji Nishino, Kaoru Hirata, Katsuyuki Sugita +1 more 2013-12-10
8587180 Pressure control valve driving circuit for pressure type flow rate control device with flow rate self-diagnosis function Katsuyuki Sugita, Nobukazu Ikeda, Kouji Nishino, Kaoru Hirata, Takatoshi NAKATANI 2013-11-19
8561966 Cam valve Kouji Nishino, Nobukazu Ikeda, Yohei Sawada 2013-10-22
8555920 Flow rate ratio variable type fluid supply apparatus Kaoru Hirata, Yohei Sawada, Kouji Nishino, Nobukazu Ikeda 2013-10-15
8496022 Device and method for supplying gas while dividing to chamber from gas supplying facility equipped with flow controller Kazuhiko Sugiyama, Nobukazu Ikeda, Kouji Nishino, Toyomi Uenoyama 2013-07-30
8418714 Flow rate range variable type flow rate control apparatus Tadahiro Ohmi, Masahito Saito, Shoichi Hino, Tsuyoshi Shimazu, Kazuyuki Miura +10 more 2013-04-16
8191856 Piezoelectric element driven metal diaphragm control valve Atsushi Matsumoto, Kaoru Hirata, Nobukazu Ikeda, Kouji Nishino 2012-06-05
8181932 Normally open type piezoelectric element driven metal diaphragm control valve Atsushi Matsumoto, Kaoru Hirata, Nobukazu Ikeda, Kouji Nishino 2012-05-22
8047225 Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used Tadahiro Ohmi, Kouji Nishino, Masaaki Nagase, Nobukazu Ikeda, Ryutaro Nishimura 2011-11-01
8047510 Evaporation supply apparatus for raw material and automatic pressure regulating device used therewith Kaoru Hirata, Masaaki Nagase, Atsushi Hidaka, Atsushi Matsumoto, Kouji Nishino +1 more 2011-11-01
7945414 Method for detecting abnormality in fluid supply line using fluid control apparatus with pressure sensor Masaaki Nagase, Nobukazu Ikeda, Kouji Nishino, Kaoru Hirata, Katsuyuki Sugita +1 more 2011-05-17
7926509 Method for flow rate control of clustering fluid and device for flow rate control of clustering fluid employed in the method Tadahiro Ohmi, Kazuhiko Sugiyama, Kenetu Mizusawa, Eiji Takahashi, Tomio Uno +3 more 2011-04-19
7849869 Method for water hammerless opening of fluid passage, and method for supplying chemical solutions and device for water hammerless opening for which the method is used Tadahiro Ohmi, Kouji Nishino, Masaaki Nagase, Nobukazu Ikeda, Ryutaro Nishimura 2010-12-14
7798167 Internal pressure controller of chamber and internal pressure subject-to-control type chamber Tadahiro Ohmi, Akniobu Teramoto, Tomio Uno, Kouji Nishino, Osamu Nakamura +3 more 2010-09-21
7669455 Automatic zero point correction device for a pressure sensor, a pressure control device and a pressure type flow rate control device Tadahiro Ohmi, Kazuhiko Sugiyama, Shoichi Hino, Eiji Takahashi, Makoto Saegusa +4 more 2010-03-02
7654137 Corrosion-resistant metal made sensor for fluid and a fluid supply device for which the sensor is employed Kaoru Hirata, Nobukazu Ikeda, Kouji Nishino 2010-02-02