Inventor

Akihiro Namai

Inventor

Kanagawa, JP

Overview

1983–2013

Patent span

Physics

Primary field (CPC G)

Patents· 16 as inventor

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

G03Bprimary

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

G02BOptical elements, systems or apparatus33%

H04NPictorial communication, e.g. television10%

Y10TTechnical subjects covered by former us classification10%

F16HGearing5%

PatentTitleYear

8,432,481'Image sensing apparatus that controls start timing of charge accumulation and control method thereof'2013 7,864,242'Image sensing apparatus for making an image sensing operation using a mechanical shutter and an electronic shutter and control method'2011 7,699,545'Shutter device and image pickup apparatus'2010 6,980,370'Lens device of a camera having a zoom lens, and zoom camera'2005 6,137,962'Power transmission apparatus with built-in phase control'2000 5,870,232'Zoom lens arrangement including endless cam surface and plurality of cam followers'1999 5,765,049'Optical apparatus having lens system change-over mechanism'1998 D0378923'Camera'1997 4,769,664'Barrel driving device for camera'1988 4,710,010'Lens barrel driving device for camera'1987 4,684,233'Photographic optical system drive device for camera'1987 4,671,639'Camera with electromagnetically driven lens barrel'1987 4,653,892'Lens barrel driving apparatus in camera'1987 4,607,932'Battery checking device'1986 4,560,266'Camera'1985 4,403,844'Malfunction preventing device for camera'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2013Patents assigned to CANON KK (16)· patent assignee history

1983–2013Based in Kawasaki, JP· patent location history

1985–2005Based in Kanagawa, JP· patent location history

2013Patents assigned to KIKUCHI HIROSHI (1)· patent assignee history

2013Patents assigned to NAMAI AKIHIRO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	16	1983–2013
KIKUCHI HIROSHI	1	2013
NAMAI AKIHIROself	1	2013

Locations

Location	Patents	Span
Kanagawa, JP	10	1985–2005
Kawasaki, JP	6	1983–2013