Inventor
KAWASHIMA KAZUMI
12 patents
⚠️ This page may combine multiple inventors who share the name “KAWASHIMA KAZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
11 patentsUS4816915AMar 28, 1989
Two-picture television receiver
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US4796089AJan 3, 1989
Television receiver display apparatus having multi-image display capability
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US4998283AMar 5, 1991
Screen device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations91
US4209775AJun 24, 1980
D-A Converter utilizing a main and auxiliary pulse generator to control the duty factor of an averaged pulse train signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73
US4061982ADec 6, 1977
Channel selection apparatus provided with memory for digitalizing and storing channel selection voltage
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72
US3990027ANov 2, 1976
Channel selector for electronic tuner having channel voltages stored in memory
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations72
US4433395AFeb 21, 1984
Apparatus and method for refreshing non-volatile memory
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations71
US3955145AMay 4, 1976
Station selector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations61
US4264880AApr 28, 1981
Signal generator for producing pulse signals for a remote control
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations58
US4399463AAug 16, 1983
Signal detector circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations41
US4191924AMar 4, 1980
Channel selection apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations41