Inventor
IMAMURA KENICHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “IMAMURA KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
11 patentsUS5936258AAug 10, 1999
Optical semiconductor memory device and read/write method therefor
FUJITSU LTD55 citations94
US5889296AMar 30, 1999
Semiconductor optical device and an optical processing system that uses such a semiconductor optical system
FUJITSU LTD39 citations92
US5432356AJul 11, 1995
Semiconductor heterojunction floating layer memory device and method for storing information in the same
FUJITSU LTD30 citations92
US5389804AFeb 14, 1995
Resonant-tunneling heterojunction bipolar transistor device
FUJITSU LTD24 citations92
US4868418ASep 19, 1989
Comparator circuit using resonant-tunneling transistor
FUJITSU LTD21 citations82
US5677551AOct 14, 1997
Semiconductor optical device and an optical processing system that uses such a semiconductor optical system
FUJITSU LTD14 citations73
US5561306AOct 1, 1996
Hetero-bipolar transistor having a plurality of emitters
FUJITSU LTD18 citations73
US5151618ASep 29, 1992
Resonant-tunneling heterojunction bipolar transistor device
FUJITSU LTD11 citations73
US5031005AJul 9, 1991
Semiconductor device
FUJITSU LTD8 citations73
US5027179AJun 25, 1991
Resonant-tunneling heterojunction bipolar transistor device
FUJITSU LTD8 citations73
US5214297AMay 25, 1993
High-speed semiconductor device
FUJITSU LTD2 citations62