TK

Tetsu Kachi

TO Toyota: 9 patents #3,216 of 26,838Top 15%
TL Toyota Central R&D Labs: 5 patents #200 of 1,657Top 15%
TC Toyoda Gosei Co.: 5 patents #462 of 2,296Top 25%
DE Denso: 2 patents #4,986 of 11,792Top 45%
RI Rensselaer Polytechnic Institute: 1 patents #306 of 819Top 40%
Overall (All Time): #223,082 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10121663 Semiconductor device and method for producing same Yoshinori Tsuchiya, Hiroyuki Tarumi, Shinichi Hoshi, Masaki Matsui, Kenji Itoh +1 more 2018-11-06
9818856 Semiconductor device with high electron mobility transistor Shinichi Hoshi, Shoji Mizuno, Tsutomu Uesugi, Kazuyoshi Tomita, Kenji Ito 2017-11-14
9735260 III-V HEMT devices Masahiro Sugimoto, Yoshitaka Nakano, Tsutomu Uesugi, Hiroyuki Ueda, Narumasa Soejima 2017-08-15
9337267 Semiconductor device Tsutomu Uesugi, Daigo Kikuta, Tetsuo Narita 2016-05-10
9184271 III-V HEMT devices Masahiro Sugimoto, Yoshitaka Nakano, Tsutomu Uesugi, Hiroyuki Ueda, Narumasa Soejima 2015-11-10
8299498 Semiconductor device having hetero junction Tsutomu Uesugi, Kenji Ito, Osamu Ishiguro, Masahiro Sugimoto 2012-10-30
8222675 Nitride semiconductor device including gate insulating portion containing AIN Masahiro Sugimoto, Hiroyuki Ueda, Tsutomu Uesugi, Masakazu Kanechika 2012-07-17
8188514 Transistor Masahiro Sugimoto, Tat-Sing P. Chow, Zhongda Li, Tsutomu Uesugi 2012-05-29
8110870 Semiconductor device Masahiro Sugimoto, Tsutomu Uesugi, Masakazu Kanechika 2012-02-07
8008749 Semiconductor device having vertical electrodes structure Masahiro Sugimoto, Tsutomu Uesugi, Hiroyuki Ueda, Narumasa Soejima 2011-08-30
7897987 Light-emitting device including light-emitting diode and stacked light-emitting phosphor layers Mitsuhiro Inoue, Kenji Ito, Kazuyohi Tomita, Takahiro Kozawa, Satoru Kato +1 more 2011-03-01
7800130 Semiconductor devices Masahiro Sugimoto, Tsutomu Uesugi, Hiroyuki Ueda, Narumasa Soejima 2010-09-21
7777252 III-V hemt devices Masahiro Sugimoto, Yoshitaka Nakano, Tsutomu Uesugi, Hiroyuki Ueda, Narumasa Soejima 2010-08-17
7342364 Light source Satoru Kato, Kazuyoshi Tomita, Hiroshi Ito, Masanori Kojima 2008-03-11
7211839 Group III nitride semiconductor device Yoshitaka Nakano, Tsutomu Uesugi 2007-05-01
7084432 Nitride semiconductor light emitting diode Satoru Kato 2006-08-01
6960485 Light-emitting device using a group III nitride compound semiconductor and a method of manufacture Toshiya Uemura, Naohisa Nagasaka, Masaki Hashimura, Atsuo Hirano, Hiroshi Tadano +1 more 2005-11-01
6936484 Method of manufacturing semiconductor device and semiconductor device Masakazu Kanechika, Kenji Nakashima, Yasuichi Mitsushima 2005-08-30
6649943 Group III nitride compound semiconductor light-emitting element Naoki Shibata, Takahiro Kozawa, Kazuyoshi Tomita 2003-11-18
5889806 Group III nitride compound semiconductor laser diodes Seiji Nagai, Shiro Yamasaki, Masayoshi Koike, Kazuyoshi Tomita, Isamu Akasaki +1 more 1999-03-30