RI

Ryosuke Iijima

KT Kabushiki Kaisha Toshiba: 78 patents #142 of 21,451Top 1%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
TS Toshiba Electronic Devices & Storage: 1 patents #470 of 900Top 55%
📍 Setagaya, NY: #1 of 1 inventorsTop 100%
Overall (All Time): #23,668 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 51–75 of 78 patents

Patent #TitleCo-InventorsDate
10026813 SiC semiconductor device having a high mobility and a high threshold voltage, inverter circuit, and vehicle Tatsuo Shimizu 2018-07-17
10014378 Semiconductor device, method of manufacturing semiconductor device, inverter circuit, driving device, vehicle, and elevator Tatsuo Shimizu 2018-07-03
9972712 Semiconductor device Tatsuo Shimizu 2018-05-15
9950898 Semiconductor device, inverter circuit, driving device, vehicle, and elevator Kazuto Takao, Tatsuo Shimizu, Teruyuki Ohashi 2018-04-24
9941361 Method for fabricating semiconductor substrate, semiconductor substrate, and semiconductor device Johji Nishio, Kazuto Takao, Takashi Shinohe 2018-04-10
9825121 Semiconductor device Keiko Ariyoshi, Tatsuo Shimizu, Kazuto Takao, Takashi Shinohe 2017-11-21
9812529 Semiconductor device and method for manufacturing the same Teruyuki Ohashi, Tatsuo Shimizu 2017-11-07
9812411 Semiconductor device, inverter circuit, and drive device Kentaro Ikeda, Kazuto Takao 2017-11-07
9793354 Semiconductor device and method of manufacturing the same Tatsuo Shimizu, Takashi Shinohe 2017-10-17
9755064 Semiconductor device and method for manufacturing the same Teruyuki Ohashi, Yuichiro Mitani, Tatsuo Shimizu 2017-09-05
9748343 Semiconductor device Tatsuo Shimizu 2017-08-29
9728608 Semiconductor device, inverter circuit, and vehicle Tatsuo Shimizu 2017-08-08
9716186 Semiconductor device manufacturing method, and semiconductor device Johji Nishio, Tatsuo Shimizu, Teruyuki Ohashi, Kazuto Takao, Takashi Shinohe 2017-07-25
9711498 Semiconductor device, inverter circuit, driving device, vehicle, and elevator Kazuto Takao, Tatsuo Shimizu, Teruyuki Ohashi 2017-07-18
9685551 Semiconductor device and inverter circuit Tatsuo Shimizu 2017-06-20
9679971 Semiconductor device Tatsuo Shimizu, Kazuto Takao 2017-06-13
9673315 Semiconductor device, inverter circuit, driving device, vehicle, and elevator Tatsuo Shimizu 2017-06-06
9601580 Semiconductor device Kazuto Takao, Tatsuo Shimizu 2017-03-21
9490327 Semiconductor device and method of manufacturing the same Tatsuo Shimizu, Takashi Shinohe 2016-11-08
9443937 Semiconductor device Teruyuki Ohashi, Tatsuo Shimizu, Takashi Shinohe 2016-09-13
9324860 Semiconductor device 2016-04-26
9318324 Manufacturing method of SiC epitaxial substrate, manufacturing method of semiconductor device, and semiconductor device Johji Nishio, Chiharu Ota, Tatsuo Shimizu, Takashi Shinohe 2016-04-19
9064780 Semiconductor device Tatsuo Shimizu, Johji Nishio 2015-06-23
9048251 Semiconductor device and method of manufacturing the same Yukio Nakabayashi, Tatsuo Shimizu 2015-06-02
9018636 Semiconductor device having a plurality of transistors with different crystal face Yukio Nakabayashi, Takashi Shinohe 2015-04-28