Inventor
OGIHARA MASUO
JP44 patents
⚠️ This page may combine multiple inventors who share the name “OGIHARA MASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO KOKI KK
28 patentsUS4634254AJan 6, 1987
Electromagnetically actuated shutter for a camera
SEIKO KOKI KK26 citations92
US4648701AMar 10, 1987
Control circuit for program shutter
SEIKO KOKI KK15 citations74
US4444511AApr 24, 1984
Mode switching device in an electronic timepiece
SEIKO KOKI KK16 citations74
US4423966AJan 3, 1984
Alarm control system for alarm clock
SEIKO KOKI KK7 citations74
US4104859AAug 8, 1978
Reversal preventing device of electric clock
SEIKO KOKI KK15 citations74
US4097755AJun 27, 1978
Construction of electromagnetic driving device
SEIKO KOKI KK9 citations74
US4084403AApr 18, 1978
Driving mechanism for a timepiece
SEIKO KOKI KK7 citations74
US4351043ASep 21, 1982
Time detecting switch for an alarm clock
SEIKO KOKI KK7 citations73
US4295215AOct 13, 1981
Second hand correction device for use in timepieces
SEIKO KOKI KK8 citations73
US4212155AJul 15, 1980
Time detecting switch for clock
SEIKO KOKI KK7 citations73
US4127984ADec 5, 1978
Slip mechanism of clock
SEIKO KOKI KK9 citations73
US3996734ADec 14, 1976
Minute-interval alarming device for a clock or the like
SEIKO KOKI KK11 citations72
US4167848ASep 18, 1979
Driving device for an electric timepiece
SEIKO KOKI KK9 citations71
US4376994AMar 15, 1983
Time detecting device for alarm clock
SEIKO KOKI KK3 citations63
US4371267AFeb 1, 1983
Time detecting device for alarm clock
SEIKO KOKI KK2 citations63
US4037400AJul 26, 1977
Drive device for electric clock
SEIKO KOKI KK5 citations63
US4304475ADec 8, 1981
Warning system for automatic focusing camera
SEIKO KOKI KK5 citations62
US4298972ANov 3, 1981
Alarm signaling time detecting device for leaf type digital clock
SEIKO KOKI KK4 citations62
US4293938AOct 6, 1981
Alarm signaling time detecting device for digital clock
SEIKO KOKI KK2 citations62
US4247931AJan 27, 1981
Slip mechanism for a timepiece
SEIKO KOKI KK3 citations62
US4214134AJul 22, 1980
Time detecting switch for alarm clock
SEIKO KOKI KK6 citations62
US4209969AJul 1, 1980
Alarm clock
SEIKO KOKI KK6 citations62
US4045627AAug 30, 1977
Switching mechanism for alarming time detection in an alarming device
SEIKO KOKI KK6 citations61
US4015417AApr 5, 1977
Alarm time setting notifying mechanism for a clock or the like
SEIKO KOKI KK6 citations61
US4079581AMar 21, 1978
Alarm device for clocks
SEIKO KOKI KK4 citations58
US4270195AMay 26, 1981
Alarm setting indication device for digital clock
SEIKO KOKI KK1 citations52
US4232511ANov 11, 1980
Time detecting device for a clock
SEIKO KOKI KK1 citations52
US4251878AFeb 17, 1981
Switching device for battery powered alarm clock
SEIKO KOKI KK0 citations41
SEIKOSHA KK
14 patentsUS4697908AOct 6, 1987
Program shutter
SEIKOSHA KK26 citations93
US4782353ANov 1, 1988
Stepping motor-driven sector opening/closing device
SEIKOSHA KK48 citations92
US5359376AOct 25, 1994
Camera and film winding-up apparatus for camera
SEIKOSHA KK13 citations74
US4771309ASep 13, 1988
Strobe control circuit for flash photography
SEIKOSHA KK9 citations74
US4751521AJun 14, 1988
Time recorder with automatic correction for momentary discontinuation of power supply
SEIKOSHA KK7 citations74
US4696560ASep 29, 1987
Camera shutter
SEIKOSHA KK17 citations74
US4693583ASep 15, 1987
Programmable shutter
SEIKOSHA KK6 citations74
US4881096ANov 14, 1989
Motor-driven shutter for camera
SEIKOSHA KK8 citations73
US4755835AJul 5, 1988
Time recorder with printing wheels and impression hammer
SEIKOSHA KK5 citations63
US4702579AOct 27, 1987
Automatic film sensitivity change-over device
SEIKOSHA KK3 citations63
US5060000AOct 22, 1991
Motor-driven shutter for camera
SEIKOSHA KK6 citations62
US5218401AJun 8, 1993
Instant photocopying apparatus
SEIKOSHA KK0 citations52
US5006880AApr 9, 1991
Programmable shutter
SEIKOSHA KK0 citations52
US4657404AApr 14, 1987
Alarm signaling time indicating mechanism for an alarm clock
SEIKOSHA KK1 citations52