YK

Yasuhiro Katsumata

KT Kabushiki Kaisha Toshiba: 4 patents #39 of 1,730Top 3%
Overall (1997): #5,175 of 185,788Top 3%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5698881 MOSFET with solid phase diffusion source Takashi Yoshitomi, Masanobu Saito, Hisayo Momose, Hiroshi Iwai, Yukihiro Ushiku +6 more 1997-12-16
5637909 Semiconductor device and method of manufacturing the same Hiroomi Nakajima, Hiroshi Iwai, Toshihiko Iinuma, Kazumi Inou, Mitsuhiko Kitagawa +3 more 1997-06-10
5620908 Manufacturing method of semiconductor device comprising BiCMOS transistor Kazumi Inoh, Satoshi Matsuda, Chihiro Yoshino 1997-04-15
5604374 Semiconductor device and manufacturing method thereof Kazumi Inou 1997-02-18