Inventor
HAGA MASAAKI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “HAGA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
14 patentsUS5761554AJun 2, 1998
Information setting data dial for a camera
ASAHI OPTICAL CO LTD23 citations92
US5749005AMay 5, 1998
Information setting and displaying device for a camera
ASAHI OPTICAL CO LTD24 citations92
US5742853AApr 21, 1998
Information setting and display device for a camera
ASAHI OPTICAL CO LTD27 citations92
US5721984AFeb 24, 1998
Camera having a built-in strobe device
ASAHI OPTICAL CO LTD20 citations92
US5682558AOct 28, 1997
Camera with learning function
ASAHI OPTICAL CO LTD23 citations92
USD342753SDec 28, 1993
Electronic flash for a camera
ASAHI OPTICAL CO LTD28 citations92
USD451940SDec 11, 2001
Single-lens reflex camera body
ASAHI OPTICAL CO LTD16 citations84
USD379823SJun 10, 1997
Single-lens reflex camera body
ASAHI OPTICAL CO LTD14 citations82
USD449327SOct 16, 2001
Single-lens reflex digital camera body
ASAHI OPTICAL CO LTD8 citations74
USD413346SAug 31, 1999
Single-lens reflex camera body
ASAHI OPTICAL CO LTD11 citations74
US5774746AJun 30, 1998
Camera with learning function
ASAHI OPTICAL CO LTD13 citations74
USD388808SJan 6, 1998
Single-lens reflex camera body
ASAHI OPTICAL CO LTD8 citations74
USD356102SMar 7, 1995
Single-lens reflex camera body
ASAHI OPTICAL CO LTD13 citations74
US6427052B1Jul 30, 2002
Exposure-condition setting device for camera
ASAHI OPTICAL CO LTD9 citations72
PENTAX CORP
10 patentsUSD524346SJul 4, 2006
Digital camera
PENTAX CORP25 citations92
USD491593SJun 15, 2004
Digital camera
PENTAX CORP32 citations92
USD574026SJul 29, 2008
Convertible lens for single-lens reflex camera
PENTAX CORP9 citations84
USD503185SMar 22, 2005
Battery grip for single-lens reflex camera
PENTAX CORP16 citations84
USD524351SJul 4, 2006
Digital camera
PENTAX CORP7 citations74
USD491596SJun 15, 2004
Digital camera
PENTAX CORP9 citations74
USD491597SJun 15, 2004
Digital camera
PENTAX CORP9 citations74
USD542824SMay 15, 2007
Digital single-lens reflex camera
PENTAX CORP4 citations63
USD542825SMay 15, 2007
Digital single-lens reflex camera
PENTAX CORP3 citations63
USD542823SMay 15, 2007
Digital single-lens reflex camera
PENTAX CORP0 citations52