RO

Ryoichi Ohara

KT Kabushiki Kaisha Toshiba: 30 patents #831 of 21,451Top 4%
📍 Himeji, JP: #49 of 1,500 inventorsTop 4%
Overall (All Time): #125,182 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
9620600 Semiconductor device having termination region with laterally heterogeneous insulating films Takao Noda 2017-04-11
9608058 Semiconductor device Takao Noda, Yoichi Hori 2017-03-28
9178079 Semiconductor diode device Hiroshi Kono 2015-11-03
9142687 Semiconductor diode device Yoichi Hori, Takao Noda, Kohei Morizuka 2015-09-22
9142565 SOI substrate with acceptor-doped layer Yoshitomo Sagae, Fumio Sasaki 2015-09-22
8916881 Semiconductor device and method for manufacturing semiconductor device Naoko Yanase, Shingo Masuko, Takaaki Yasumoto, Yorito Kakiuchi, Takao Noda +1 more 2014-12-23
8866151 Semiconductor device Takao Noda, Kenya Sano, Toru Sugiyama 2014-10-21
8558244 Semiconductor device and method for manufacturing semiconductor device Naoko Yanase, Shingo Masuko, Takaaki Yasumoto, Yorito Kakiuchi, Takao Noda +1 more 2013-10-15
8134224 Radio frequency semiconductor device Yoshitomo Sagae, Fumio Sasaki 2012-03-13
7777592 Antenna sharing device and portable telephone Michihiko Nishigaki, Minoru Kawase, Kazuhiko Itaya 2010-08-17
7770274 Piezoelectric thin film device and method for manufacturing the same Kenya Sano, Naoko Yanase, Takaaki Yasumoto, Kazuhiko Itaya, Takashi Kawakubo +6 more 2010-08-10
7709999 Thin film piezoelectric resonator and method of manufacturing the same Kazuhiko Itaya, Kenya Sano, Takaaki Yasumoto, Naoko Yanase 2010-05-04
7675222 Thin film piezoelectric actuator Takashi Kawakubo, Tomio Ono, Toshihiko Nagano, Michihiko Nishigaki, Takaaki Yasumoto +2 more 2010-03-09
7560853 Thin film piezoelectric resonator, method of manufacturing the same, and filter including the same Kenya Sano, Kazuhiko Itaya, Takashi Kawakubo 2009-07-14
7525399 Thin-film piezoelectric resonator, filter and voltage-controlled oscillator Naoko Yanase, Kenya Sano, Takaaki Yasumoto, Kazuhiko Itaya 2009-04-28
7501739 Thin film piezoelectric resonator and manufacturing process thereof Kazuhiko Itaya, Takashi Kawakubo, Kenya Sano 2009-03-10
7498904 Piezoelectric thin film resonator and devices provided with the same Naoko Yanase, Kenya Sano, Takaaki Yasumoto, Kazuhiko Itaya, Takashi Kawakubo 2009-03-03
7463117 Film bulk acoustic-wave resonator (FBAR), filter implemented by FBARs and method for manufacturing FBAR Naoko Yanase, Kazuhiko Itaya, Kenya Sano, Takaaki Yasumoto, Kazuhide Abe +3 more 2008-12-09
7459833 Thin film piezoelectric actuator Takashi Kawakubo, Tomio Ono, Toshihiko Nagano, Michihiko Nishigaki, Takaaki Yasumoto +2 more 2008-12-02
7420320 Piezoelectric thin film device and method for manufacturing the same Kenya Sano, Naoko Yanase, Takaaki Yasumoto, Kazuhiko Itaya, Takashi Kawakubo +6 more 2008-09-02
7323805 Piezoelectric thin film device and method for manufacturing the same Kenya Sano, Naoko Yanase, Takaaki Yasumoto, Kazuhiko Itaya, Takashi Kawakubo +6 more 2008-01-29
7268647 Film bulk acoustic-wave resonator and method for manufacturing the same Kenya Sano, Naoko Yanase, Kazuhiko Itaya, Takaaki Yasumoto, Takashi Kawakubo +1 more 2007-09-11
7221920 Voltage controlled oscillator, frequency synthesizer and communication apparatus Kazuhide Abe, Mayumi Morizuka, Kenya Sano, Naoko Yanase, Takaaki Yasumoto +9 more 2007-05-22
7187253 Film bulk acoustic-wave resonator and method for manufacturing the same Kenya Sano, Naoko Yanase, Kazuhiko Itaya, Takaaki Yasumoto, Takashi Kawakubo +1 more 2007-03-06
7135940 Tunable filter and portable telephone Takashi Kawakubo, Kazuhide Abe, Hiroshi Yoshida, Hiroshi Tsurumi 2006-11-14