Inventor
Shuji Yoneyama
Inventor
Saitama, JP
Overview
Patents· 51 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus68%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them18%
H04NPictorial communication, e.g. television9%
A61KPreparations for medical, dental or toiletry purposes3%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%
PatentTitleYear
10,067,319Single focus lens and photographing apparatus having the same20189,784,954'Rear conversion lenses'20179,297,986'Wide angle lens system and electronic apparatus having the same'20169,066,936'Solid pharmaceutical composition comprising a benzimidazole-7-carboxylate derivative and a pH control agent'20158,873,159'Telephoto lens system'20148,498,063'Telephoto lens system'20138,449,911'Drug composition having active ingredient adhered at high concentration to spherical core'20138,238,036'Zoom lens and photographing apparatus having the same'20128,229,292'Auto focus adjusting apparatus and camera system'20127,791,824'Telephoto lens system'20107,457,049'High magnification zoom lens'20087,342,730'Zoom lens optical system'20087,256,946'Zoom lens having a wide angle of view and a high zooming ratio and a camera employing the same'20077,113,331'Binocular telescope with photographing function'20066,982,836'Zoom lens system'20066,937,391'Optical viewer instrument with photographing function'20056,927,907'Viewing device'20056,914,636'Optical viewer instrument with photographing function'20056,885,506'Wide-angle zoom lens system'20056,853,497'Wide-angle zoom lens system'20056,822,807'Zoom lens system'20046,785,058'Zoom lens system'20046,781,755'Viewing optical system with an image-blur correcting optical system'20046,549,343'Intermediate telephoto lens system'20036,532,342'Photographing lens system'20036,487,023'Zoom lens system and a zoom lens barrel therefor'20026,353,505'Zoom lens system'20026,317,275'Internal focusing telephoto lens'20016,313,955'Rear-focusing telephoto lens system'20016,278,544'Real-image zoom finder optical system'20016,208,471'Zoom lens system'20016,181,487'Photographic lens'20016,181,488'Photographic lens'20016,128,140'Zoom lens system'20006,078,435'Zoom lens system'20006,002,533'Close-up attachment lens'1999RE036326'Zoom lens system'19995,793,533'Zoom lens system'19985,701,205'Shiftable lens system'19975,642,223'Tilting lens system'19975,625,487'Device for adjusting the diopter setting of a finder assembly'19975,621,568'Device for adjusting the diopter setting of a finder assembly'19975,581,314'Camera with stereoscopic optical system'19965,570,150'Stereo photographing system'19965,570,235'Compact zoom lens'19965,424,871'Zoom lens system'19955,400,101'Zooming finder'19955,347,399'Zoom lens system'19945,325,234'Telephoto lens system'19945,278,699'Zoom lens system'19945,223,979'Zoom lens system'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2002Patents assigned to ASAHI OPTICAL CO LTD (25)· patent assignee history
1993–1999Based in Tokyo, JP· patent location history
1999–2006Based in Saitama, JP· patent location history
2003–2006Patents assigned to PENTAX CORP (12)· patent assignee history
2007–2008Patents assigned to SAMSUNG TECHWIN CO LTD (3)· patent assignee history
2007–2008Based in Changwon-si, KR· patent location history
2010–2018Patents assigned to SAMSUNG ELECTRONICS CO LTD (8)· patent assignee history
2010–2018Based in Suwon-si, KR· patent location history
2012–2015Patents assigned to YONEYAMA SHUJI (6)· patent assignee history
2013–2015Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI OPTICAL CO LTD | 25 | 1993–2002 |
| PENTAX CORP | 12 | 2003–2006 |
| SAMSUNG ELECTRONICS CO LTD | 8 | 2010–2018 |
| YONEYAMA SHUJIself | 6 | 2012–2015 |
| SAMSUNG TECHWIN CO LTD | 3 | 2007–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 22 | 1999–2006 |
| Tokyo, JP | 15 | 1993–1999 |
| Suwon-si, KR | 7 | 2010–2018 |
| Changwon-si, KR | 3 | 2007–2008 |
| Osaka, JP | 2 | 2013–2015 |