Inventor
HORIKAWA KENICHI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “HORIKAWA KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
7 patentsUS4572461AFeb 25, 1986
Magnetic tape cassette
SONY CORP42 citations92
USRE34927EMay 2, 1995
Magnetic tape cassette with tape protective closure and lock mechanism
SONY CORP5 citations73
US4881137ANov 14, 1989
Magnetic tape cassette with tape protective closure and lock mechanism
SONY CORP11 citations73
US4843510AJun 27, 1989
Magnetic tape cassette with tape protective closure and lock mechanism
SONY CORP5 citations73
US4694360ASep 15, 1987
Tape cassette with concave engagement portion and player with hook engageable therewith
SONY CORP6 citations73
US4644433AFeb 17, 1987
Magnetic tape cassette having integrated optical elements
SONY CORP10 citations73
US4816953AMar 28, 1989
Tape cassette with groove engageable with loading hook
SONY CORP5 citations62