MI

Masaru Izumisawa

KT Kabushiki Kaisha Toshiba: 35 patents #640 of 21,451Top 3%
📍 Tobetsu, JP: #4 of 38 inventorsTop 15%
Overall (All Time): #98,952 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
RE47641 Semiconductor device with super junction region Masakazu Yamaguchi, Wataru Saito, Ichiro Omura 2019-10-08
9312331 Semiconductor device Hiroaki Yamashita, Syotaro Ono, Hideyuki Ura 2016-04-12
9142627 Semiconductor device Syotaro Ono, Hideyuki Ura, Hiroaki Yamashita 2015-09-22
9041101 Power semiconductor device Syotaro Ono, Hiroshi Ohta, Hiroaki Yamashita 2015-05-26
8907420 Power semiconductor device Wataru Saito, Syotaro Ono, Masakatsu Takashita, Yasuto Sumi, Hiroshi Ohta 2014-12-09
8759938 Semiconductor device Syotaro Ono, Hiroshi Ohta, Hiroaki Yamashita 2014-06-24
8716789 Power semiconductor device Syotaro Ono, Hiroshi Ohta, Hiroaki Yamashita 2014-05-06
8283720 Power semiconductor device Wataru Saito, Syotaro Ono, Masakatsu Takashita, Yauto Sumi, Wataru Sekine +2 more 2012-10-09
8227854 Semiconductor device having first and second resurf layers Syotaro Ono, Wataru Saito, Masakatsu Takashita, Yasuto Sumi, Hiroshi Ohta 2012-07-24
8058693 Semiconductor device having switching element and method for fabricating semiconductor device having switching element Koichi Endo, Takuma Hara, Syotaro Ono, Yoshiro Baba 2011-11-15
8030706 Power semiconductor device Miho Watanabe, Yasuto Sumi, Hiroshi Ohta, Wataru Sekine, Wataru Saito +2 more 2011-10-04
8013360 Semiconductor device having a junction of P type pillar region and N type pillar region Wataru Saito, Syotaro Ono, Masakatsu Takashita, Yasuto Sumi, Hiroshi Ohta +1 more 2011-09-06
7994006 Manufacturing method of semiconductor device Satoshi Aida, Shigeo Kouzuki, Hironori Yoshioka 2011-08-09
7989910 Semiconductor device including a resurf region with forward tapered teeth Wataru Saito, Syotaro Ono, Yasuto Sumi, Hiroshi Ohta, Wataru Sekine +1 more 2011-08-02
7919824 Semiconductor device and method of manufacturing the same Syotaro Ono, Wataru Saito, Nana Hatano, Yasuto Sumi, Hiroshi Ohta +2 more 2011-04-05
7759732 Power semiconductor device Wataru Saito, Syotaro Ono, Masakatsu Takashita, Yasuto Sumi, Hiroshi Ohta 2010-07-20
7737469 Semiconductor device having superjunction structure formed of p-type and n-type pillar regions Wataru Saito, Syotaro Ono, Masakatsu Takashita, Yasuto Sumi, Hiroshi Ohta +1 more 2010-06-15
7622771 Semiconductor apparatus Syotaro Ono, Wataru Saito, Masakatsu Takashita, Yasuto Sumi, Hiroshi Ohta +1 more 2009-11-24
7605426 Power semiconductor device Wataru Saito, Syotaro Ono, Masakatsu Takashita, Yasuto Sumi, Hiroshi Ohta 2009-10-20
7462541 Manufacturing method of semiconductor device Satoshi Aida, Shigeo Kouzuki, Hironori Yoshioka 2008-12-09
7423315 Semiconductor device and method for manufacturing the same Hideki Okumura, Hitoshi Kobayashi, Masanobu Tsuchitani, Satoshi Aida, Shigeo Kouzuki +2 more 2008-09-09
7341900 Semiconductor device and method for manufacturing the same Kazuya Nakayama, Satoshi Aida, Shigeo Kouzuki 2008-03-11
7301202 Semiconductor device and method of manufacturing the same Shigeo Kouzuki, Hideki Okumura, Wataru Saito, Masahiko Shiomi, Hitoshi Kobayashi +4 more 2007-11-27
7262477 Semiconductor device Hideki Okumura, Hitoshi Kobayashi, Masanobu Tsuchitani, Akihiro Osawa, Satoshi Aida +1 more 2007-08-28
7259426 Semiconductor device and its manufacturing method Satoshi Aida, Shigeo Kouzuki, Satoshi Yanagisawa, Hironori Yoshioka 2007-08-21