Inventor
SAKAI TETSUSHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI TETSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
9 patentsUS5189504AFeb 23, 1993
Semiconductor device of MOS structure having p-type gate electrode
NIPPON TELEGRAPH & TELEPHONE76 citations96
US4531282AJul 30, 1985
Bipolar transistors having vertically arrayed collector-base-emitter with novel polycrystalline base electrode surrounding island emitter and method of making same
NIPPON TELEGRAPH & TELEPHONE63 citations94
US4074300AFeb 14, 1978
Insulated gate type field effect transistors
NIPPON TELEGRAPH & TELEPHONE41 citations91
US4188707AFeb 19, 1980
Semiconductor devices and method of manufacturing the same
NIPPON TELEGRAPH & TELEPHONE42 citations90
US5989981ANov 23, 1999
Method of manufacturing SOI substrate
NIPPON TELEGRAPH & TELEPHONE36 citations89
US4379001AApr 5, 1983
Method of making semiconductor devices
NIPPON TELEGRAPH & TELEPHONE30 citations89
US4128845ADec 5, 1978
Semiconductor integrated circuit devices having inverted frustum-shape contact layers
NIPPON TELEGRAPH & TELEPHONE15 citations73
US4920401AApr 24, 1990
Bipolar transistors
NIPPON TELEGRAPH & TELEPHONE15 citations71
US4780427AOct 25, 1988
Bipolar transistor and method of manufacturing the same
NIPPON TELEGRAPH & TELEPHONE19 citations71