Inventor
IWASAKI HIROYUKI
JP97 patents
⚠️ This page may combine multiple inventors who share the name “IWASAKI HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
24 patentsUS5016039AMay 14, 1991
Camera system
NIKON CORP66 citations95
US6154612ANov 28, 2000
Electronic flash control device
NIKON CORP22 citations93
US5987265ANov 16, 1999
Photometry device of camera
NIKON CORP22 citations93
US5450163ASep 12, 1995
Photometric device for camera
NIKON CORP21 citations93
US5418595AMay 23, 1995
Camera having a subject tracking function and method therefor
NIKON CORP47 citations93
US6272292B1Aug 7, 2001
Electronic flash control apparatus
NIKON CORP40 citations92
US5758201AMay 26, 1998
Camera having line of sight detecting device
NIKON CORP22 citations90
US6564014B1May 13, 2003
Flash control device
NIKON CORP18 citations84
US5749002AMay 5, 1998
Chromatic balancer for flash cameras
NIKON CORP18 citations84
US6987931B2Jan 17, 2006
Flash control device, flash control system, master flash device, and remote flash device
NIKON CORP10 citations74
US6560412B2May 6, 2003
Electronic flash controlling device
NIKON CORP12 citations74
US5887204AMar 23, 1999
Camera photometry device
NIKON CORP7 citations74
US5771411AJun 23, 1998
Photometry device and method
NIKON CORP7 citations74
US5768540AJun 16, 1998
Photometric apparatus
NIKON CORP7 citations74
US5740481AApr 14, 1998
Exposure calculation device for camera
NIKON CORP6 citations74
US5717965AFeb 10, 1998
Photometry device and camera with photometry device
NIKON CORP8 citations74
US5701526ADec 23, 1997
Photometry apparatus
NIKON CORP16 citations74
US5604584AFeb 18, 1997
Photometry device with correction for temperature change
NIKON CORP12 citations74
US5576799ANov 19, 1996
Camera photometry system
NIKON CORP7 citations74
US5576800ANov 19, 1996
Camera having an auxiliary photographing function
NIKON CORP9 citations74
US5526092AJun 11, 1996
Photometric control device for camera
NIKON CORP15 citations74
US5515132AMay 7, 1996
Photometric control device for camera
NIKON CORP16 citations74
US5475466ADec 12, 1995
Camera having target follow up function
NIKON CORP15 citations74
US5461452AOct 24, 1995
Exposure calculating apparatus
NIKON CORP14 citations74
FUJI PHOTO FILM CO LTD
8 patentsUS6195211B1Feb 27, 2001
Zoom lens device with zooming position detector
FUJI PHOTO FILM CO LTD38 citations96
US5926322AJul 20, 1999
Zoom lens device with zooming position detector
FUJI PHOTO FILM CO LTD72 citations96
US5819120AOct 6, 1998
Variable focus lens device in camera
FUJI PHOTO FILM CO LTD42 citations92
US5140212AAug 18, 1992
Diaphragm electromagnetic drive device
FUJI PHOTO FILM CO LTD29 citations92
US6641311B2Nov 4, 2003
Camera, and method of opening and closing a lens
FUJI PHOTO FILM CO LTD8 citations74
US6393218B1May 21, 2002
Camera
FUJI PHOTO FILM CO LTD10 citations74
US6104549AAug 15, 2000
Zoom lens device with zooming position detector
FUJI PHOTO FILM CO LTD9 citations74
US5721645AFeb 24, 1998
Optical instrument with movable lens barrel
FUJI PHOTO FILM CO LTD12 citations74
NGK INSULATORS LTD
4 patentsUS6783875B2Aug 31, 2004
Halogen gas plasma-resistive members and method for producing the same, laminates, and corrosion-resistant members
NGK INSULATORS LTD471 citations99
US5238627AAug 24, 1993
Method for producing ceramics sintered article and molding method and molding apparatus to be used therefor
NGK INSULATORS LTD50 citations93
US5296175AMar 22, 1994
Method of forming molded body
NGK INSULATORS LTD21 citations89
US5156856AOct 20, 1992
Mold for forming molded body
NGK INSULATORS LTD24 citations89
SONY CORP
3 patentsUS5777671AJul 7, 1998
Solid state imager having high frequency transfer mode
SONY CORP21 citations93
US5717459AFeb 10, 1998
Solid state imager device having A/D converter
SONY CORP23 citations93
US5642162AJun 24, 1997
Charge transfer device having a signal processing circuit for correcting output voltage
SONY CORP13 citations74
RICOH KK
3 patentsUS7712318B2May 11, 2010
Cooling apparatus, cooling method, program, computer readable information recording medium and electronic apparatus
RICOH KK8 citations84
US7558510B2Jul 7, 2009
Image forming apparatus including a phase adjusting unit for adjusting the phase of rotational fluctuation of image carriers and method for controlling the same
RICOH KK13 citations84
US7280789B2Oct 9, 2007
Image forming and reproducing apparatus, and image transferring method for controlling rotation speeds of image carriers
RICOH KK9 citations74
NEC CORP
2 patentsKEIHIN CORP
2 patentsTOSHIBA KK
1 patentTONEN CORP
1 patentTOA NENRYO KOGYO KK
1 patentRICOH CO LTD
1 patentShowing the top 50 of 97 patents by PatentIndex Score.