Inventor
IWASA HITOO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “IWASA HITOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
10 patentsUS4965644AOct 23, 1990
Pure green light emitting diodes and method of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD110 citations94
US4064525ADec 20, 1977
Negative-resistance semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations90
US4354453AOct 19, 1982
Substrate holder for liquid phase epitaxial growth
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US4256520AMar 17, 1981
Etching of gallium stains in liquid phase epitoxy
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations73
US3992650ANov 16, 1976
Apparatus to prevent overcurrent or overvoltage
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations73
US3969697AJul 13, 1976
Voltage drop warning apparatus with negative-resistance device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US4268327AMay 19, 1981
Method for growing semiconductor epitaxial layers
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations71
US4300960ANov 17, 1981
Method of making a light emitting diode
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US3991329ANov 9, 1976
Touch-operation switch
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
US4671829AJun 9, 1987
Manufacturing green light emitting diodes
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations60