TK

Tsutomu Kiyosawa

PA Panasonic: 20 patents #998 of 21,108Top 5%
📍 Toyama, JP: #153 of 1,699 inventorsTop 10%
Overall (All Time): #221,520 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
11171214 Semiconductor epitaxial wafer, semiconductor device, and method for manufacturing semiconductor epitaxial wafer Atsushi Ohoka 2021-11-09
10763330 Silicon carbide semiconductor element and method for manufacturing same 2020-09-01
10600880 Semiconductor device and method for manufacturing the same Yasuyuki Yanase, Kazuhiro Kagawa 2020-03-24
10573739 Method of producing semiconductor device for reducing variations of device characteristics within a surface of a semiconductor wafer 2020-02-25
10573740 Method of producing semiconductor device 2020-02-25
10361297 Semiconductor epitaxial wafer, semiconductor device, and method of producing semiconductor device 2019-07-23
10355091 Semiconductor device and method for manufacturing the same Atsushi Ohoka 2019-07-16
10262909 Semiconductor device and method for manufacturing the same 2019-04-16
10211293 Semiconductor device and method for manufacturing the same Atsushi Ohoka 2019-02-19
10141235 Semiconductor device and method for manufacturing the same 2018-11-27
10043877 Metal-insulator-semiconductor field effect transistor (MISFET) device and method for manufacturing the same Yasuyuki Yanase, Kazuhiro Kagawa 2018-08-07
9985125 Silicon carbide semiconductor device Tsuneichiro Sano, Atsushi Ohoka, Osamu Ishiyama, Takayuki Wakayama, Kouichi Saitou +3 more 2018-05-29
9362370 Silicon carbide semiconductor device having nitrogen-containing silicon alloy for ohmic contact to P-type impurity region Chiaki Kudou, Takayuki Wakayama 2016-06-07
9362366 Semiconductor element, semiconductor element manufacturing method, semiconductor module, semiconductor module manufacturing method, and semiconductor package Yasuyuki Yanase 2016-06-07
9209294 Semiconductor device and method for manufacturing same Chiaki Kudou, Yuki Tomita 2015-12-08
9130036 Semiconductor device and method for manufacturing same Kazuhiro Kagawa, Yasuyuki Yanase, Haruyuki Sorada 2015-09-08
9087894 Semiconductor device and method of manufacturing the device Chiaki Kudou 2015-07-21
9018699 Silicon carbide semiconductor element and method for fabricating the same Kazuyuki Sawada, Kunimasa Takahashi, Yuki Tomita 2015-04-28
8933466 Semiconductor element Masao Uchida, Nobuyuki Horikawa, Koutarou Tanaka 2015-01-13
8847238 Semiconductor device which can withstand high voltage or high current and method for fabricating the same Masao Uchida, Nobuyuki Horikawa, Koutarou Tanaka, Kazuhiro Kagawa, Yasuyuki Yanase +1 more 2014-09-30