Inventor
KOMATSU KEIICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KOMATSU KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS4901297AFeb 13, 1990
Optical magnetic recording and reproducing method and apparatus capable of prolonging a recording time
HITACHI LTD27 citations89
US4524380AJun 18, 1985
Chroma signal recording and reproducing circuit
HITACHI LTD21 citations81
US4497000AJan 29, 1985
Magnetic recording/reproducing apparatus
HITACHI LTD21 citations81
US4992891AFeb 12, 1991
Dual record/read head video recording and playback apparatus with fade-in function
HITACHI LTD13 citations73
US4556917ADec 3, 1985
Magnetic recording/reproducing apparatus for video and sound
HITACHI LTD5 citations62
US4497004AJan 29, 1985
Picture reproducing apparatus in a helical scanning video tape recorder
HITACHI LTD6 citations61
US4466026AAug 14, 1984
Record/reproduce circuit for VTR
HITACHI LTD6 citations59