MN

Masahiko Niwayama

PA Panasonic: 19 patents #1,080 of 21,108Top 6%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #194,113 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
11366022 Semiconductor device having a temperature sensor Atsushi Ohoka, Masao Uchida 2022-06-21
9209262 Silicon carbide semiconductor device and method for manufacturing same Koutarou Tanaka, Masao Uchida, Osamu Kusumoto 2015-12-08
9029874 Semiconductor device having a first silicon carbide semiconductor layer and a second silicon carbide semiconductor layer Nobuyuki Horikawa, Masao Uchida 2015-05-12
8878194 Semiconductor element, semiconductor device, and semiconductor element manufacturing method Masao Uchida 2014-11-04
8772788 Semiconductor element and method of manufacturing thereof Ryo Ikegami, Masao Uchida, Yuki Tomita 2014-07-08
8754422 Semiconductor device and process for production thereof Chiaki Kudou, Kenya Yamashita 2014-06-17
8748901 Silicon carbide semiconductor element Kunimasa Takahashi, Masao Uchida, Chiaki Kudou 2014-06-10
8686439 Silicon carbide semiconductor element Kunimasa Takahashi, Masao Uchida, Chiaki Kudou 2014-04-01
8653535 Silicon carbide semiconductor device having a contact region that includes a first region and a second region, and process for production thereof Chiaki Kudou, Ryo Ikegami 2014-02-18
8222107 Method for producing semiconductor element Koutarou Tanaka, Masao Uchida 2012-07-17
8058631 Semiconductor manufacturing apparatus Kenji Yoneda 2011-11-15
7851871 Semiconductor device and method for fabricating the same Yuji Harada, Kazuyuki Sawada, Masaaki Okita 2010-12-14
7759711 Semiconductor device with substrate having increased resistance due to lattice defect and method for fabricating the same Kazuyuki Sawada, Yuji Harada, Saichirou Kaneko, Yoshimi Shimizu 2010-07-20
7638782 Semiconductor device manufacturing method and ion implanter used therein Kenji Yoneda 2009-12-29
7291535 Method and apparatus for fabricating semiconductor device Kenji Yoneda, Kazuma Takahashi 2007-11-06
6875623 Method for fabricating semiconductor device Kenji Yoneda 2005-04-05
6633047 Apparatus and method for introducing impurity Hiroko Kubo, Kenji Yoneda 2003-10-14
6451674 Method for introducing impurity into a semiconductor substrate without negative charge buildup phenomenon Hiroko Kubo, Kenji Yoneda 2002-09-17
6046069 Solid-state image pick-up device and method for manufacturing the same Katsuya Ishikawa, Takao Kuroda, Yuji Matsuda, Keishi Tachikawa 2000-04-04
6025210 Solid-state imaging device and method of manufacturing the same Yuji Matsuda 2000-02-15
5869854 Solid-state imaging device and method of manufacturing the same Yuji Matsuda 1999-02-09
5786607 Solid-state image pick-up device and method for manufacturing the same Katsuya Ishikawa, Takao Kuroda, Yuji Matsuda, Keishi Tachikawa 1998-07-28