Inventor
KUMAMARU KUNIAKI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KUMAMARU KUNIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO SHIBAURA ELECTRIC CO
5 patentsUS4485393ANov 27, 1984
Semiconductor device with selective nitride layer over channel stop
TOKYO SHIBAURA ELECTRIC CO37 citations92
US4379726AApr 12, 1983
Method of manufacturing semiconductor device utilizing outdiffusion and epitaxial deposition
TOKYO SHIBAURA ELECTRIC CO33 citations92
US4542400ASep 17, 1985
Semiconductor device with multi-layered structure
TOKYO SHIBAURA ELECTRIC CO19 citations73
US4240096ADec 16, 1980
Fluorine-doped P type silicon
TOKYO SHIBAURA ELECTRIC CO14 citations73
US4521256AJun 4, 1985
Method of making integrated devices having long and short minority carrier lifetimes
TOKYO SHIBAURA ELECTRIC CO7 citations72
TOSHIBA KK
3 patentsUS5399511AMar 21, 1995
Method of manufacturing a hetero bipolar transistor
TOSHIBA KK29 citations92
US5365090ANov 15, 1994
Hetero bipolar transistor and method of manufacturing the same
TOSHIBA KK27 citations92
US5127989AJul 7, 1992
Method of forming a thin film pattern with a trapezoidal cross section
TOSHIBA KK33 citations89