Inventor
WATANABE AKIRA
JP263 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
13 patentsUS5812187ASep 22, 1998
Electronic endoscope apparatus
OLYMPUS OPTICAL CO122 citations98
US5585840ADec 17, 1996
Endoscope apparatus in which image pickup means and signal control means are connected to each other by signal transmitting means
OLYMPUS OPTICAL CO113 citations98
US5420644AMay 30, 1995
Color smear correcting apparatus
OLYMPUS OPTICAL CO115 citations98
US5408263AApr 18, 1995
Electronic endoscope apparatus
OLYMPUS OPTICAL CO203 citations98
US5032913AJul 16, 1991
Electronic endoscope system equipped with color smear reducing means
OLYMPUS OPTICAL CO74 citations96
US5485203AJan 16, 1996
Color misregistration easing system which corrects on a pixel or block basis only when necessary
OLYMPUS OPTICAL CO71 citations95
US4508443AApr 2, 1985
Lens barrel
OLYMPUS OPTICAL CO99 citations93
US6384967B1May 7, 2002
Illumination apparatus for a microscope
OLYMPUS OPTICAL CO41 citations92
US6097538AAug 1, 2000
Lens barrel for use in a microscope
OLYMPUS OPTICAL CO37 citations92
US5737134AApr 7, 1998
Revolver control device
OLYMPUS OPTICAL CO30 citations92
US5649247AJul 15, 1997
Apparatus for recording information of camera capable of optical data recording and magnetic data recording
OLYMPUS OPTICAL CO32 citations92
US5526078AJun 11, 1996
Apparatus for recording camera information capable of optical data recording and magnetic data recording
OLYMPUS OPTICAL CO22 citations92
US5333010AJul 26, 1994
Color misregistration easing system for a field sequential electronic endoscope system
OLYMPUS OPTICAL CO26 citations92
PENTAX CORP
7 patentsUSD523057SJun 13, 2006
Conversion lens for single-lens reflex camera
PENTAX CORP50 citations96
USD583847SDec 30, 2008
Conversion lens for single-lens reflex camera
PENTAX CORP21 citations93
USD573625SJul 22, 2008
Conversion lens for single-lens reflex camera
PENTAX CORP24 citations93
USD529065SSep 26, 2006
Lens hood
PENTAX CORP36 citations93
USD492711SJul 6, 2004
Binoculars
PENTAX CORP22 citations93
USD492335SJun 29, 2004
Binoculars
PENTAX CORP34 citations93
USD487283SMar 2, 2004
Digital camera
PENTAX CORP22 citations93
MITSUBISHI ELECTRIC CORP
4 patentsUS5045997ASep 3, 1991
Data processor
MITSUBISHI ELECTRIC CORP75 citations96
US5003533AMar 26, 1991
Node processing system
MITSUBISHI ELECTRIC CORP103 citations96
US4847610AJul 11, 1989
Method of restoring transmission line
MITSUBISHI ELECTRIC CORP153 citations95
US5218603AJun 8, 1993
Node unit and communications method for local area network
MITSUBISHI ELECTRIC CORP26 citations93
ASAHI OPTICAL CO LTD
4 patentsUSD446232SAug 7, 2001
Lens for single-lens reflex camera
ASAHI OPTICAL CO LTD29 citations93
USD425088SMay 16, 2000
Lens for single-lens reflex camera
ASAHI OPTICAL CO LTD40 citations93
USD416926SNov 23, 1999
Lens for single-lens reflex camera
ASAHI OPTICAL CO LTD23 citations93
USD375969SNov 26, 1996
Lens for single-lens reflex camera
ASAHI OPTICAL CO LTD39 citations93
NISSAN MOTOR
4 patentsUS6217481B1Apr 17, 2001
Slip control system for torque converter
NISSAN MOTOR42 citations93
US6039675AMar 21, 2000
Slip control system for torque converter
NISSAN MOTOR24 citations93
US5947865ASep 7, 1999
Lock-up control system for controlling lock-up clutch employed in a torque converter
NISSAN MOTOR22 citations93
US5935043AAug 10, 1999
Lockup control apparatus of torque converter
NISSAN MOTOR48 citations93
CANON KK
3 patentsUS5287148AFeb 15, 1994
Magnetic seal for a developing apparatus
CANON KK42 citations93
US5267007ANov 30, 1993
Magnetic seal for preventing developer from leaking out of the longitudinal ends of a rotatable member
CANON KK44 citations93
US5294967AMar 15, 1994
Image forming apparatus with a plurity of adjustable developing units
CANON KK21 citations92
FUJITSU LTD
2 patentsCANADIAN PATENTS DEV
1 patentASM JAPAN
1 patentSANYO ELECTRIC CO
1 patentHOYA CORP
1 patentINAGAKI TAKEO
1 patentTOSHIBA KK
1 patentOBA YASUHIRO
1 patentNEC CORP
1 patentDAINIPPON SCREEN MFG
1 patentMITSUBISHI HEAVY IND LTD
1 patentTAKARA CO LTD
1 patentEBARA CORP
1 patentMITSUBISHI CHEM CORP
1 patentShowing the top 50 of 263 patents by PatentIndex Score.