Inventor
SAKUMOTO HIDEKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “SAKUMOTO HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
8 patentsUS4844377AJul 4, 1989
Tape cassette
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations91
US4803575AFeb 7, 1989
Tape cassettes having bottom grooves for use in tape recorder having bottom projection in cassette holder
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations91
US4809113AFeb 28, 1989
Tape cassette with improved cover structure
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations72
US4075670AFeb 21, 1978
Tape auto-loading recording and reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations72
US4074329AFeb 14, 1978
Rotary head type magnetic recording and reproducing system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations72
US5121271AJun 9, 1992
Cassette holder device capable of receiving large and small size cassettes
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations68
US5101304AMar 31, 1992
Cassette holder device capable of preventing erroneous insertion of cassette
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations68
US4191978AMar 4, 1980
Method for adjusting rotary head type magnetic video recording and reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations61