Inventor
OHTA KUNIICHI
JP4 patents
Patents
4 patentsUS5489477AFeb 6, 1996
High-molecular weight carbon material and method of forming the same
NEC CORP50 citations90
US5933791AAug 3, 1999
Cylindrical macromolecule and photometer and magnetometer using the same
NEC CORP10 citations71
US4737827AApr 12, 1988
Heterojunction-gate field-effect transistor enabling easy control of threshold voltage
NEC CORP12 citations70
US4670767AJun 2, 1987
Hetero-junction bipolar transistor having a high switching speed
NEC CORP10 citations70