NS

Narumasa Soejima

TO Toyota: 36 patents #380 of 26,838Top 2%
DE Denso: 25 patents #264 of 11,792Top 3%
TL Toyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Overall (All Time): #67,403 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDate
11967564 Method for manufacturing semiconductor device Aiko Kaji, Haruhito Ichikawa, Shuhei Mitani, Tomohiro Mimura, Yukihiro Wakasugi 2024-04-23
11171231 Silicon carbide semiconductor device and method for manufacturing the same Shuhei Mitani, Masahiro KUMITA 2021-11-09
11107691 Method of manufacturing semiconductor device Toru Ikeda, Tomohiko Mori, Hideya Yamadera 2021-08-31
10593662 Protection device Takashi Suzuki, Kengo SHIMA, Yosuke Kanie, Kazuya Adachi 2020-03-17
10522627 Semiconductor device Hidefumi Takaya, Yasushi Urakami 2019-12-31
10388527 Method of manufacturing semiconductor device Norihiro Togawa, Shoji Mizuno 2019-08-20
10290707 Semiconductor device Tomohiro Mimura, Takashi Kanemura, Masahiro Sugimoto 2019-05-14
10177138 Semiconductor device Takashi Suzuki, Yosuke Kanie, Kengo SHIMA 2019-01-08
10177236 Method of manufacturing semiconductor device Teruaki KUMAZAWA, Yuichi Takeuchi 2019-01-08
9954096 Switching device and method of manufacturing the same Hirokazu Fujiwara, Yuichi Takeuchi 2018-04-24
9899469 Semiconductor device and manufacturing method thereof Shinya Nishimura, Hirokazu Fujiwara, Yuichi Takeuchi 2018-02-20
9853139 Semiconductor device and method for manufacturing the semiconductor device Hidefumi Takaya, Jun Saito, Akitaka Soeno, Toshimasa Yamamoto 2017-12-26
9818860 Silicon carbide semiconductor device and method for producing the same Yuichi Takeuchi, Naohiro Suzuki, Masahiro Sugimoto, Hidefumi Takaya, Akitaka Soeno +2 more 2017-11-14
9793376 Silicon carbide semiconductor device and method of manufacturing the same Shinichiro Miyahara, Toshimasa Yamamoto, Jun Morimoto, Yukihiko Watanabe 2017-10-17
9779906 Electron emission device and transistor provided with the same Tsuyoshi Ishikawa, Takashi Katsuno 2017-10-03
9773883 Method for manufacturing insulated gate type switching device having low-density body region and high-density body region Akitaka Soeno, Yuichi Takeuchi 2017-09-26
9735260 III-V HEMT devices Masahiro Sugimoto, Tetsu Kachi, Yoshitaka Nakano, Tsutomu Uesugi, Hiroyuki Ueda 2017-08-15
9673288 Silicon carbide semiconductor device including conductivity layer in trench Yuichi Takeuchi, Kazumi Chida, Yukihiko Watanabe 2017-06-06
9640655 Semiconductor device and manufacturing method of semiconductor device Shinya Nishimura, Kensaku Yamamoto 2017-05-02
9608104 Silicon carbide semiconductor device and method for manufacturing same Yuichi Takeuchi, Naohiro Suzuki, Jun Morimoto 2017-03-28
9607836 Semiconductor device and manufacturing method of semiconductor device Hirokazu Fujiwara 2017-03-28
9543428 Silicon carbide semiconductor device and method for producing the same Yuichi Takeuchi, Naohiro Suzuki, Masahiro Sugimoto, Hidefumi Takaya, Akitaka Soeno +2 more 2017-01-10
9515160 Silicon carbide semiconductor device and method for producing the same Yuichi Takeuchi, Kazumi Chida, Yukihiko Watanabe 2016-12-06
9337298 Silicon carbide semiconductor device and method for producing the same Yuichi Takeuchi, Kazumi Chida, Yukihiko Watanabe 2016-05-10
9281364 Semiconductor device and method of manufacturing the same Hisashi ISHIMABUSHI, Tomohiro Mimura 2016-03-08