LexDanaLexDanabeta
Inventor

Atsuo Masui

Inventor
Sakai, JP

Overview

20→
Patents
2005–2020
Patent span
Physics
Primary field (CPC G)

Patents· 20 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus74%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them19%
H04NPictorial communication, e.g. television7%
PatentTitleYear
10,845,695Projection optical system and projection apparatus that enlarge and project an image displayed on a display202010,401,596Projection optical system and projector201910,317,786Wide angle projection optical system and apparatus with a short projection distance201910,168,602Projection optical system and projector20199,116,331'Projection lens system having variable magnification'20159,019,620'Zoom lens, image sensing optical device and digital appliance'20157,911,705'Projection lens and projector'20117,612,951'Projection lens unit'20097,573,647'Optical unit and image capturing apparatus including the same'20097,489,450'Lens unit and an image-sensing apparatus therewith'20097,446,947'Variable magnification optical system and image taking apparatus provided therewith'20087,433,584'Variable-magnification optical system and image-taking apparatus therewith'20087,339,747'Variable magnification optical system'20087,315,422'Image forming device'20087,227,698'Optical unit, and image taking apparatus provided therewith'20077,221,517'Image forming device'20077,180,679'Image-taking apparatus'20077,139,129'Image-taking apparatus'20067,042,652'Image-taking apparatus'20066,977,778'Image-taking apparatus'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2009Patents assigned to KONICA MINOLTA PHOTO IMAGING (11)· patent assignee history
2005–2020Based in Sakai, JP· patent location history
2008Patents assigned to KONICA MINOTA PHOTO IMAGING IN (1)· patent assignee history
2009–2011Patents assigned to KONICA MINOLTA OPTO INC (2)· patent assignee history
2015–2020Patents assigned to KONICA MINOLTA INC (5)· patent assignee history
2015Patents assigned to KONICA MINOLTA ADVANCED LAYERS (1)· patent assignee history
2019Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONICA MINOLTA PHOTO IMAGING112005–2009
KONICA MINOLTA INC52015–2020
KONICA MINOLTA OPTO INC22009–2011
KONICA MINOLTA ADVANCED LAYERS12015
KONICA MINOTA PHOTO IMAGING IN12008
Locations
LocationPatentsSpan
Sakai, JP192005–2020
Osaka, JP12019