Inventor
YAMANASHI TAKANORI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “YAMANASHI TAKANORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
35 patentsUS5805359ASep 8, 1998
Wide-angle lens system
OLYMPUS OPTICAL CO85 citations96
US6483648B1Nov 19, 2002
Zoom lens
OLYMPUS OPTICAL CO48 citations92
US6327100B1Dec 4, 2001
Zoom lens
OLYMPUS OPTICAL CO22 citations92
US5917658AJun 29, 1999
Zoom lens system
OLYMPUS OPTICAL CO25 citations92
US5835286ANov 10, 1998
Standard lens system having a large aperture ratio
OLYMPUS OPTICAL CO38 citations92
US5808808ASep 15, 1998
Wide-angle lens system
OLYMPUS OPTICAL CO28 citations92
US5627685AMay 6, 1997
Telephoto lens system
OLYMPUS OPTICAL CO23 citations92
US5610766AMar 11, 1997
Zooming lens system
OLYMPUS OPTICAL CO31 citations92
US5583701ADec 10, 1996
Zoom lens system
OLYMPUS OPTICAL CO24 citations92
US5559638ASep 24, 1996
Wide-angle lens system #6
OLYMPUS OPTICAL CO41 citations92
US5442485AAug 15, 1995
Zoom lens system
OLYMPUS OPTICAL CO20 citations92
US5416639AMay 16, 1995
Zoom lens system
OLYMPUS OPTICAL CO37 citations92
US4854682AAug 8, 1989
Compact high vari-focal ratio zoom lens system
OLYMPUS OPTICAL CO31 citations92
US4840467AJun 20, 1989
Compact zoom lens system with a high zooming ratio
OLYMPUS OPTICAL CO24 citations92
US4773744ASep 27, 1988
Compact zoom lens system with a high zooming ratio
OLYMPUS OPTICAL CO42 citations92
US6631034B2Oct 7, 2003
Zoom lens system
OLYMPUS OPTICAL CO13 citations84
US5159494AOct 27, 1992
Zoom lens system
OLYMPUS OPTICAL CO21 citations82
US6396643B1May 28, 2002
Zoom lens
OLYMPUS OPTICAL CO9 citations74
US6342975B1Jan 29, 2002
Zoom lens
OLYMPUS OPTICAL CO11 citations74
US6342972B1Jan 29, 2002
Wide-angle zoom lens system
OLYMPUS OPTICAL CO11 citations74
US6108136AAug 22, 2000
Wide-angle zoom lens system
OLYMPUS OPTICAL CO8 citations74
US6094313AJul 25, 2000
Zoom lens system
OLYMPUS OPTICAL CO7 citations74
US5241420AAug 31, 1993
Zoom lens system
OLYMPUS OPTICAL CO14 citations74
US5194991AMar 16, 1993
Zoom lens system
OLYMPUS OPTICAL CO8 citations74
US5172273ADec 15, 1992
Zoom lens system
OLYMPUS OPTICAL CO8 citations74
US5002373AMar 26, 1991
Zoom lens system of inner focus type
OLYMPUS OPTICAL CO15 citations74
US4836662AJun 6, 1989
Telephoto zoom lens system
OLYMPUS OPTICAL CO11 citations74
US4822152AApr 18, 1989
Compact high-vari-focal ratio zoom lens system
OLYMPUS OPTICAL CO15 citations74
US4815829AMar 28, 1989
Telephoto zoom lens system
OLYMPUS OPTICAL CO7 citations74
US4789229ADec 6, 1988
Zoom lens system
OLYMPUS OPTICAL CO11 citations74
US4709998ADec 1, 1987
Telephoto lens system
OLYMPUS OPTICAL CO8 citations74
US6075657AJun 13, 2000
Wide-angle lens system
OLYMPUS OPTICAL CO5 citations63
US5331463AJul 19, 1994
Wide angle zoom lens system
OLYMPUS OPTICAL CO6 citations63
US5170292ADec 8, 1992
Wide-angle zoom lens system
OLYMPUS OPTICAL CO4 citations63
US5936779AAug 10, 1999
Lens system
OLYMPUS OPTICAL CO0 citations42