P

Inventor

SATOH KEN

46 patents
⚠️ This page may combine multiple inventors who share the name “SATOH KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OLYMPUS OPTICAL CO

38 patents
US4325080AApr 13, 1982

Apparatus for displaying video track number in viewfinder of video camera

OLYMPUS OPTICAL CO33 citations92
US4309002AJan 5, 1982

Mechanism for preventing loosening of magnetic recording tape of tape cassette

OLYMPUS OPTICAL CO35 citations92
US4097726AJun 27, 1978

Tape ending indicator for tape recorder

OLYMPUS OPTICAL CO39 citations92
US4372504AFeb 8, 1983

Magnetic record tape protective device for a tape cassette

OLYMPUS OPTICAL CO24 citations82
US4019112AApr 19, 1977

Battery checker circuit

OLYMPUS OPTICAL CO24 citations82
US4349849ASep 14, 1982

Tape tracking device

OLYMPUS OPTICAL CO15 citations74
US4293742AOct 6, 1981

Microphone device

OLYMPUS OPTICAL CO17 citations74
US4150435AApr 17, 1979

Tape recorder with display function

OLYMPUS OPTICAL CO8 citations74
US4077014AFeb 28, 1978

Automatic gain control circuit

OLYMPUS OPTICAL CO8 citations74
US4005486AJan 25, 1977

Apparatus for detecting tape running in a tape recorder

OLYMPUS OPTICAL CO9 citations74
US4003093AJan 11, 1977

Apparatus for indicating tape end in a tape recorder and battery level

OLYMPUS OPTICAL CO12 citations74
US4363042ADec 7, 1982

Method and apparatus for automatically tracking a magnetic tape

OLYMPUS OPTICAL CO15 citations73
US4239957ADec 16, 1980

Display apparatus for tape running positions

OLYMPUS OPTICAL CO10 citations73
US4167787ASep 11, 1979

Tape recorder apparatus with a tape-running direction display

OLYMPUS OPTICAL CO7 citations73
US4157575AJun 5, 1979

Tape end warning apparatus

OLYMPUS OPTICAL CO14 citations73
US4355750AOct 26, 1982

Double-capstan tape driving device

OLYMPUS OPTICAL CO4 citations63
US4352473AOct 5, 1982

Tape cassette

OLYMPUS OPTICAL CO6 citations63
US4292509ASep 29, 1981

Indicator for tape running direction and tape remnant amount

OLYMPUS OPTICAL CO4 citations63
US4285014AAug 18, 1981

Channel division recording/reproducing apparatus

OLYMPUS OPTICAL CO6 citations63
US4277674AJul 7, 1981

Tape running direction indicator

OLYMPUS OPTICAL CO3 citations63
US4244009AJan 6, 1981

Cue recording system for magnetic recorder

OLYMPUS OPTICAL CO4 citations63
US4214281AJul 22, 1980

Tape recorder with means for displaying operation modes in the form of characters

OLYMPUS OPTICAL CO6 citations63
US4208686AJun 17, 1980

Tape recorder with means for displaying a time by normal and stopwatch modes

OLYMPUS OPTICAL CO5 citations63
US4189636AFeb 19, 1980

Tape recorder provided with a count display for counting and displaying a number of reel rotations

OLYMPUS OPTICAL CO6 citations63
US4048549ASep 13, 1977

Circuit for eliminating current noises from d.c. motor

OLYMPUS OPTICAL CO2 citations63
US4399355AAug 16, 1983

Display apparatus for tape running positions

OLYMPUS OPTICAL CO2 citations62
US4320879AMar 23, 1982

Tape cassette drive assembly

OLYMPUS OPTICAL CO5 citations62
US4316590AFeb 23, 1982

Tape cassette

OLYMPUS OPTICAL CO2 citations62
US4232348ANov 4, 1980

Tape end warning apparatus

OLYMPUS OPTICAL CO2 citations62
US4206486AJun 3, 1980

Electric device for use in a transcriber

OLYMPUS OPTICAL CO2 citations62
US4199792AApr 22, 1980

Tape end warning apparatus

OLYMPUS OPTICAL CO4 citations62
US4170790AOct 9, 1979

Tape recorder device with tape running speed display

OLYMPUS OPTICAL CO3 citations62
US4124873ANov 7, 1978

Electric device for use in a transcriber

OLYMPUS OPTICAL CO5 citations62
US4330802AMay 18, 1982

Magnetic cassette tape record and play apparatus

OLYMPUS OPTICAL CO6 citations60
US4366513ADec 28, 1982

Tape recorder with noise blanking circuit

OLYMPUS OPTICAL CO3 citations59
US4148081AApr 3, 1979

Volume controlled tape end alarm for tape recorder

OLYMPUS OPTICAL CO1 citations52
US4179716ADec 18, 1979

Tape end warning apparatus

OLYMPUS OPTICAL CO1 citations51
US4173773ANov 6, 1979

Tape end alarm for tape recorder

OLYMPUS OPTICAL CO0 citations42

SHARP KK

3 patents

TDK CORP

3 patents

RICOH KK

1 patent

HONDA MOTOR CO LTD

1 patent