LexDanaLexDanabeta
Inventor

Fumiaki Usui

Inventor
Utsunomiya, JP

Overview

18→
Patents
1992–2014
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus80%
H04NPictorial communication, e.g. television10%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
H04BTransmission5%
PatentTitleYear
8,767,313'Zoom lens and image pickup apparatus including the same'20148,670,185'Zoom lens and image pickup apparatus including the same'20148,488,253'Zoom lens and image pickup apparatus including the same'20137,379,674'Optical transmission device'20086,825,990'Zoom lens and image pickup apparatus'20046,560,016'Zoom lens and photographing apparatus using the same'20036,545,818'Zoom lens and camera system'20036,342,974'Zoom lens and photographing apparatus'20026,124,982'Zoom lens'20005,995,296'Zoom lens'19995,995,297'Zoom lens'19995,986,820'Zoom lens of the inner focus type'19995,751,497'Zoom lens'19985,745,300'Zoom lens of the inner focus type'19985,737,128'Zoom lens device with inner focusing method'19985,583,700'Zoom lens'19965,515,204'Zoom lens wherein at least a portion of the zoom lens moves for focusing'19965,086,338'Color television camera optical system adjusting for chromatic aberration'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2014Patents assigned to CANON KK (18)· patent assignee history
1992–1999Based in Kanagawa, JP· patent location history
1998Based in Kawasaki, JP· patent location history
1999–2014Based in Utsunomiya, JP· patent location history
2003–2008Based in Tochigi, JP· patent location history
2013–2014Patents assigned to USUI FUMIAKI (3)· patent assignee history
2013–2014Patents assigned to WAKAZONO TSUYOSHI (2)· patent assignee history
2014Patents assigned to SHIMOMURA KAZUYA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK181992–2014
USUI FUMIAKIself32013–2014
WAKAZONO TSUYOSHI22013–2014
SHIMOMURA KAZUYA12014
Locations
LocationPatentsSpan
Utsunomiya, JP81999–2014
Kanagawa, JP61992–1999
Tochigi, JP32003–2008
Kawasaki, JP11998