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 patentsUS4918264AApr 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 patentsUS7259486B2Aug 21, 2007
Axial fan
NIDEC CORP32 citations93
US6982513B2Jan 3, 2006
Recording disk drive motor, recording disk drive employing the motor, a method of manufacturing a stator used in the recording disk drive motor, and core plate that is used in the manufacture of the stator
NIDEC CORP13 citations84
US8378540B2Feb 19, 2013
Motor and motor manufacturing method
NIDEC CORP19 citations83
US7576467B2Aug 18, 2009
Armature and motor on which the armature is mounted
NIDEC CORP16 citations82
US8794935B2Aug 5, 2014
Axial flow fan
NIDEC CORP2 citations62
YAMAMOTO MASATO
3 patentsUNIV MINNESOTA
3 patentsSONY MAGNESCALE INC
3 patentsUS5095390AMar 10, 1992
Apparatus for storing and feeding endless tape and recorded tape duplicator system utilizing the same
SONY MAGNESCALE INC4 citations60
US4868688ASep 19, 1989
Elongated strip storage apparatus and recorder tape duplicator system utilizing endless tape stored in storage apparatus
SONY MAGNESCALE INC5 citations60
US5273196ADec 28, 1993
Tape transport apparatus
SONY MAGNESCALE INC2 citations54
OMRON TATEISI ELECTRONICS CO
1 patentSHOWA CO
1 patentKANSAI PAINT CO LTD
1 patentYOKOGAWA HOKUSHIN ELECTRIC
1 patentNISSAN MOTOR
1 patentDENSO CORP
1 patentINADA TAKAHIRO
1 patentDAIDO HOXAN INC
1 patentAASHI KOGAKU KOGYO K K
1 patentJTEKT CORP
1 patentKENWOOD CORP
1 patentKAWASAKI HEAVY IND LTD
1 patentShowing the top 50 of 58 patents by PatentIndex Score.