P

Inventor

NAGAOKA SHINJI

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

SEIKO KOKI KK

27 patents
US4634254AJan 6, 1987

Electromagnetically actuated shutter for a camera

SEIKO KOKI KK26 citations92
US4445029AApr 24, 1984

Distance detector using a photopotentiometer and a continuous detecting system

SEIKO KOKI KK31 citations92
US4112444ASep 5, 1978

Camera with photoflash means and data photographic means operated with single battery

SEIKO KOKI KK19 citations80
US4648700AMar 10, 1987

Distance detecting device for a camera

SEIKO KOKI KK11 citations74
US4359634ANov 16, 1982

Automatic focusing device

SEIKO KOKI KK8 citations73
US4305649ADec 15, 1981

Inhibit circuit for an electronic flash charge circuit

SEIKO KOKI KK7 citations73
US4015142AMar 29, 1977

Electric timing circuitry with means to compensate for switch chatter

SEIKO KOKI KK9 citations73
US4660949AApr 28, 1987

Automatic film sensitivity setting device for cameras

SEIKO KOKI KK5 citations63
US4579450AApr 1, 1986

Distance detector device

SEIKO KOKI KK5 citations63
US4497560AFeb 5, 1985

Control circuit for active type range finder

SEIKO KOKI KK5 citations63
US4466727AAug 21, 1984

Shutter control circuit equipped with a flash light control signal circuit

SEIKO KOKI KK3 citations63
US4053908AOct 11, 1977

Exposure multiple setting device for programming electric shutter

SEIKO KOKI KK2 citations63
US3978499AAug 31, 1976

Warning display circuit of the electric shutter for camera

SEIKO KOKI KK2 citations63
US4353631AOct 12, 1982

Exposure information input circuit for electric shutter

SEIKO KOKI KK2 citations62
US4307949ADec 29, 1981

Shutter control system having information circuit for introducing informations for flash photographing

SEIKO KOKI KK4 citations62
US4275955AJun 30, 1981

Shutter release interrupting system

SEIKO KOKI KK2 citations62
US4267440AMay 12, 1981

Focus detecting system

SEIKO KOKI KK2 citations62
US4229089AOct 21, 1980

Automatic focusing device for camera

SEIKO KOKI KK5 citations61
US4033682AJul 5, 1977

Exposure quantity control circuit

SEIKO KOKI KK3 citations57
US4316085AFeb 16, 1982

Automatic focusing adjustor device

SEIKO KOKI KK0 citations52
US4041511AAug 9, 1977

Driving device of lens shutter of single-lens reflex camera

SEIKO KOKI KK1 citations52
US3978498AAug 31, 1976

Exposure time control circuit of shutter of a camera

SEIKO KOKI KK1 citations52
US4374615AFeb 22, 1983

Exposure control circuit for cameras equipped with self-timer

SEIKO KOKI KK1 citations51
US4270851AJun 2, 1981

Automatic film sensitivity setting system for camera

SEIKO KOKI KK1 citations51
US4655568AApr 7, 1987

Automatic film sensitivity setting device for camera

SEIKO KOKI KK0 citations42
US4062029ADec 6, 1977

Lens shutter actuating device for quick-return type single-lens reflex camera

SEIKO KOKI KK0 citations42
US3962709AJun 8, 1976

Exposure time control circuit

SEIKO KOKI KK0 citations42

SEIKOSHA KK

9 patents

DAIKIN IND LTD

5 patents

NIPPON TELEGRAPH & TELEPHONE

2 patents

SEIKO INSTR INC

1 patent

SAITO TAKEO

1 patent

KITAZAWA MASAAKI

1 patent