Inventor

Kazuyuki Iwasa

Inventor

Hino, JP

Overview

1988–2018

Patent span

Physics

Primary field (CPC G)

Patents· 24 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus46%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them43%

H04NPictorial communication, e.g. television6%

H05KPrinted circuits6%

PatentTitleYear

9,989,728Plurality of imaging optical systems and image pickup apparatus using the same2018 9,671,596'Plurality of imaging optical systems and image pickup apparatus using the same'2017 9,557,540'Plurality of imaging optical systems and image pickup apparatus using the same'2017 9,557,517'Lens barrel'2017 8,861,094'Lens barrel'2014 7,911,721'Lens barrel'2011 7,343,092'Attachment structure of adapter'2008 7,221,868'Camera and photographing lens barrel'2007 6,904,236'Camera and photographing lens barrel'2005 6,811,331'Lens shutter system'2004 6,443,636'Stop device'2002 6,341,901'Photographing lens of a camera having a mask for blocking off noise light which generates in relation to a non-circular lens'2002 6,268,968'Lens housing'2001 6,256,458'Lens housing'2001 6,204,977'Lens barrel'2001 6,198,578'Cam follower and lens barrel'2001 6,157,501'Lens holding structure'2000 6,152,614'Shutter assembly'2000 5,831,777'Positioning adjustment mechanism for a lens incorporating a CAM/CAM follower arrangement'1998 5,822,638'Camera'1998 4,945,372'Camera'1990 4,924,253'Drive apparatus for a focusing lens'1990 4,885,600'Zoom mechanism for a zoom lens in cameras and the like'1989 4,764,784'Camera with a built-in zoom lens'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2002Patents assigned to OLYMPUS OPTICAL CO (14)· patent assignee history

1988–1990Based in Mitaka, JP· patent location history

1990–2017Based in Hachioji, JP· patent location history

1998–2002Based in Hino, JP· patent location history

2004–2018Patents assigned to OLYMPUS CORP (8)· patent assignee history

2011–2014Patents assigned to OLYMPUS IMAGING CORP (2)· patent assignee history

2014Patents assigned to IWASA KAZUYUKI (1)· patent assignee history

2017–2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OLYMPUS OPTICAL CO	14	1988–2002
OLYMPUS CORP	8	2004–2018
OLYMPUS IMAGING CORP	2	2011–2014
IWASA KAZUYUKIself	1	2014

Locations

Location	Patents	Span
Hino, JP	10	1998–2002
Hachioji, JP	8	1990–2017
Tokyo, JP	3	2017–2018
Mitaka, JP	3	1988–1990