P

Inventor

YAMAMOTO MASATO

JP58 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO MASATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ASAHI OPTICAL CO LTD

24 patents
US4918264AApr 17, 1990

Actuating mechanism and multiposition rubber or membrane switch device

ASAHI OPTICAL CO LTD63 citations96
US4893140AJan 9, 1990

Single-lens reflex camera with built-in flash

ASAHI OPTICAL CO LTD48 citations94
USD303268SSep 5, 1989

Camera lens

ASAHI OPTICAL CO LTD25 citations93
US5682558AOct 28, 1997

Camera with learning function

ASAHI OPTICAL CO LTD23 citations92
US5621495AApr 15, 1997

Representation of depth of field in camera

ASAHI OPTICAL CO LTD21 citations92
US5066967ANov 19, 1991

Single-lens reflex camera with built-in flash

ASAHI OPTICAL CO LTD26 citations92
US4910542AMar 20, 1990

Single-lens reflex camera with built-in flash

ASAHI OPTICAL CO LTD30 citations92
US5019852AMay 28, 1991

Representation of depth of field in camera

ASAHI OPTICAL CO LTD15 citations82
US5774746AJun 30, 1998

Camera with learning function

ASAHI OPTICAL CO LTD13 citations74
US5510875AApr 23, 1996

Representation of depth of field in camera

ASAHI OPTICAL CO LTD7 citations74
US5280319AJan 18, 1994

Exposure control apparatus of camera including exposure factor limit value setting means

ASAHI OPTICAL CO LTD8 citations74
USD331589SDec 8, 1992

Lens for a single-lens reflex camera

ASAHI OPTICAL CO LTD14 citations74
USD322977SJan 7, 1992

35 mm camera

ASAHI OPTICAL CO LTD11 citations74
US5065177ANov 12, 1991

SLR camera with auxiliary light emitter

ASAHI OPTICAL CO LTD12 citations74
US4977425ADec 11, 1990

Indicating apparatus within finder of camera

ASAHI OPTICAL CO LTD7 citations74
US4949118AAug 14, 1990

Indicating apparatus within finder of single-lens reflex camera

ASAHI OPTICAL CO LTD12 citations74
US4887114ADec 12, 1989

Back-cover release device for a camera

ASAHI OPTICAL CO LTD10 citations74
USD304838SNov 28, 1989

Single-lens reflex camera body

ASAHI OPTICAL CO LTD6 citations74
USD304594SNov 14, 1989

Camera lens

ASAHI OPTICAL CO LTD10 citations74
US5602616AFeb 11, 1997

Exposure control apparatus of camera

ASAHI OPTICAL CO LTD9 citations73
US5485242AJan 16, 1996

Exposure control apparatus of camera

ASAHI OPTICAL CO LTD4 citations63
US5170206ADec 8, 1992

Indicating apparatus within finder of camera

ASAHI OPTICAL CO LTD3 citations63
US4529282AJul 16, 1985

Motor-driven film winder for cameras

ASAHI OPTICAL CO LTD6 citations63
US5382997AJan 17, 1995

Exposure control apparatus of camera

ASAHI OPTICAL CO LTD5 citations62

NIDEC CORP

5 patents

YAMAMOTO MASATO

3 patents

UNIV MINNESOTA

3 patents

SONY MAGNESCALE INC

3 patents

OMRON TATEISI ELECTRONICS CO

1 patent

SHOWA CO

1 patent

KANSAI PAINT CO LTD

1 patent

YOKOGAWA HOKUSHIN ELECTRIC

1 patent

NISSAN MOTOR

1 patent

DENSO CORP

1 patent

INADA TAKAHIRO

1 patent

DAIDO HOXAN INC

1 patent

AASHI KOGAKU KOGYO K K

1 patent

JTEKT CORP

1 patent

KENWOOD CORP

1 patent

KAWASAKI HEAVY IND LTD

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.