Inventor

SEKI YOICHI

55 patents

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

SEKI YOICHI

SEIKOSHA KK

Program shutter

Power supply control circuit for a display of a camera

Camera and film winding-up apparatus for camera

Power supply circuit for driving a light emitting element

Device for adjusting camera in the initial stage

Strobe control circuit for flash photography

Camera shutter

Programmable shutter

Distance measuring device and camera having same

Integrated circuit with battery serving as power source having CMOS analog and digital circuits and regulated stepped up voltage source

Battery voltage detecting device

Distance measuring device for camera

Distance measuring device and camera having same

Device for correcting characteristic errors of a camera

Distance measuring device for a camera

Program shutter

Automatic film sensitivity change-over device

Distance measuring device

Photometric circuit

Data imprintable camera

Programmable shutter

Circuit for detecting back light

SEIKO KOKI KK

Control circuit for program shutter

Mode switching device in an electronic timepiece

Alarm control system for alarm clock

Reversal preventing device of electric clock

Driving mechanism for a timepiece

Driving device for an electric timepiece

Device for detecting coincident focusing points

Time detecting device for alarm clock

Time detecting device for alarm clock

Exposure multiple setting device for programming electric shutter

Drive device for electric clock

Alarm signaling time detecting device for leaf type digital clock

Alarm signaling time detecting device for digital clock

Alarm setting indication device for digital clock

SEIKO PRECISION KK

Camera with battery checkup function

Exposure control drive apparatus

Electronic circuit having electrically isolated digital and analog circuitry

Photometric device and camera having the photometric device

Camera having data protection means

Light measuring apparatus and camera using the light measuring apparatus

SODICK CO LTD

Linear motor coils assembly and method for manufacturing the same

Linear motor coils assembly and manufacturing method thereof

Apparatus for electric discharge machining

MITSUBISHI HEAVY IND LTD

Construction apparatus for building and constructing method therewith

Construction apparatus for buildings and constructing method therewith

SHIMIZU CONSTRUCTION CO LTD

Mold panel unit and spring-water processing structure using mold panel units

ISHIKAWAJIMA HARIMA HEAVY IND

Continuous unloader

SEIKO PRECISON INC

Distance measuring apparatus for a camera