YK

Yasuhiro Katsumata

KT Kabushiki Kaisha Toshiba: 12 patents #2,533 of 21,451Top 15%
YA Yazaki: 10 patents #448 of 3,427Top 15%
CC Central Japan Railway Comany: 6 patents #23 of 313Top 8%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
KC Koito Manufacturing Co.: 1 patents #610 of 1,047Top 60%
Overall (All Time): #120,889 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5604374 Semiconductor device and manufacturing method thereof Kazumi Inou 1997-02-18
5510647 Semiconductor device and method of manufacturing the same Hiroomi Nakajima, Hiroshi Iwai, Toshihiko Iinuma, Kazumi Inou, Mitsuhiko Kitagawa +3 more 1996-04-23
5434440 Semiconductor device and method of manufacturing the same Takashi Yoshitomi, Masanobu Saito, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku +4 more 1995-07-18
5204276 Method of manufacturing semiconductor device Hiroomi Nakajima, Nobuyuki Itoh, Hiroyuki Nihira, Eiryo Tsukioka, Kenji Hirakawa +3 more 1993-04-20
4782030 Method of manufacturing bipolar semiconductor device Takao Ito 1988-11-01