Inventor
YONEYAMA SHUJI
JP51 patents
⚠️ This page may combine multiple inventors who share the name “YONEYAMA SHUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
25 patentsUS5570150AOct 29, 1996
Stereo photographing system
ASAHI OPTICAL CO LTD45 citations93
US5278699AJan 11, 1994
Zoom lens system
ASAHI OPTICAL CO LTD20 citations93
US6353505B1Mar 5, 2002
Zoom lens system
ASAHI OPTICAL CO LTD20 citations92
US6078435AJun 20, 2000
Zoom lens system
ASAHI OPTICAL CO LTD25 citations92
US6317275B1Nov 13, 2001
Internal focusing telephoto lens
ASAHI OPTICAL CO LTD17 citations84
US6181487B1Jan 30, 2001
Photographic lens
ASAHI OPTICAL CO LTD15 citations84
US6128140AOct 3, 2000
Zoom lens system
ASAHI OPTICAL CO LTD17 citations84
US5424871AJun 13, 1995
Zoom lens system
ASAHI OPTICAL CO LTD14 citations82
US6487023B2Nov 26, 2002
Zoom lens system and a zoom lens barrel therefor
ASAHI OPTICAL CO LTD13 citations74
US6313955B1Nov 6, 2001
Rear-focusing telephoto lens system
ASAHI OPTICAL CO LTD12 citations74
US6181488B1Jan 30, 2001
Photographic lens
ASAHI OPTICAL CO LTD9 citations74
US5793533AAug 11, 1998
Zoom lens system
ASAHI OPTICAL CO LTD9 citations74
US5701205ADec 23, 1997
Shiftable lens system
ASAHI OPTICAL CO LTD9 citations74
US5642223AJun 24, 1997
Tilting lens system
ASAHI OPTICAL CO LTD15 citations74
US5625487AApr 29, 1997
Device for adjusting the diopter setting of a finder assembly
ASAHI OPTICAL CO LTD13 citations74
US5621568AApr 15, 1997
Device for adjusting the diopter setting of a finder assembly
ASAHI OPTICAL CO LTD11 citations74
US5581314ADec 3, 1996
Camera with stereoscopic optical system
ASAHI OPTICAL CO LTD18 citations74
US5570235AOct 29, 1996
Compact zoom lens
ASAHI OPTICAL CO LTD10 citations74
US5347399ASep 13, 1994
Zoom lens system
ASAHI OPTICAL CO LTD17 citations74
US5325234AJun 28, 1994
Telephoto lens system
ASAHI OPTICAL CO LTD14 citations74
US5223979AJun 29, 1993
Zoom lens system
ASAHI OPTICAL CO LTD14 citations74
US6278544B1Aug 21, 2001
Real-image zoom finder optical system
ASAHI OPTICAL CO LTD2 citations63
US6208471B1Mar 27, 2001
Zoom lens system
ASAHI OPTICAL CO LTD2 citations63
US6002533ADec 14, 1999
Close-up attachment lens
ASAHI OPTICAL CO LTD3 citations63
US5400101AMar 21, 1995
Zooming finder
ASAHI OPTICAL CO LTD6 citations63
PENTAX CORP
11 patentsUS6885506B2Apr 26, 2005
Wide-angle zoom lens system
PENTAX CORP16 citations84
US6549343B2Apr 15, 2003
Intermediate telephoto lens system
PENTAX CORP20 citations84
US6937391B2Aug 30, 2005
Optical viewer instrument with photographing function
PENTAX CORP8 citations74
US6822807B2Nov 23, 2004
Zoom lens system
PENTAX CORP10 citations74
US6781755B2Aug 24, 2004
Viewing optical system with an image-blur correcting optical system
PENTAX CORP10 citations74
US7113331B2Sep 26, 2006
Binocular telescope with photographing function
PENTAX CORP6 citations63
US6853497B2Feb 8, 2005
Wide-angle zoom lens system
PENTAX CORP6 citations63
US6532342B2Mar 11, 2003
Photographing lens system
PENTAX CORP4 citations63
US6927907B2Aug 9, 2005
Viewing device
PENTAX CORP0 citations52
US6982836B2Jan 3, 2006
Zoom lens system
PENTAX CORP0 citations42
US6914636B2Jul 5, 2005
Optical viewer instrument with photographing function
PENTAX CORP0 citations42
YONEYAMA SHUJI
5 patentsUS8873159B2Oct 28, 2014
Telephoto lens system
YONEYAMA SHUJI2 citations62
US8498063B2Jul 30, 2013
Telephoto lens system
YONEYAMA SHUJI2 citations62
US8449911B2May 28, 2013
Drug composition having active ingredient adhered at high concentration to spherical core
YONEYAMA SHUJI4 citations60
US9066936B2Jun 30, 2015
Solid pharmaceutical composition comprising a benzimidazole-7-carboxylate derivative and a pH control agent
YONEYAMA SHUJI2 citations59
US8238036B2Aug 7, 2012
Zoom lens and photographing apparatus having the same
YONEYAMA SHUJI0 citations51
SAMSUNG ELECTRONICS CO LTD
4 patentsUS7791824B2Sep 7, 2010
Telephoto lens system
SAMSUNG ELECTRONICS CO LTD8 citations84
US9784954B2Oct 10, 2017
Rear conversion lenses
SAMSUNG ELECTRONICS CO LTD2 citations73
US10067319B2Sep 4, 2018
Single focus lens and photographing apparatus having the same
SAMSUNG ELECTRONICS CO LTD1 citations52
US9297986B2Mar 29, 2016
Wide angle lens system and electronic apparatus having the same
SAMSUNG ELECTRONICS CO LTD0 citations52
SAMSUNG TECHWIN CO LTD
3 patentsUS7342730B2Mar 11, 2008
Zoom lens optical system
SAMSUNG TECHWIN CO LTD9 citations84
US7457049B2Nov 25, 2008
High magnification zoom lens
SAMSUNG TECHWIN CO LTD4 citations63
US7256946B2Aug 14, 2007
Zoom lens having a wide angle of view and a high zooming ratio and a camera employing the same
SAMSUNG TECHWIN CO LTD5 citations63
HAMADA MASATAKA
1 patentASAHI KOGAKU KOGYO KAISHA
1 patentShowing the top 50 of 51 patents by PatentIndex Score.