Inventor

Keisuke Haraguchi

Inventor

Tokyo, JP

Overview

1976–2000

Patent span

Physics

Primary field (CPC G)

Patents· 41 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 them60%

G02BOptical elements, systems or apparatus38%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%

PatentTitleYear

6,094,535'Zoom lens drive system for lens shutter type of camera'2000 5,966,551'Lens shutter camera including zoom lens'1999 5,897,227'Zoom lens drive system for lens shutter type of camera'1999 5,740,476'Zoom lens drive system for lens shutter type of camera'1998 5,713,051'Lens shutter camera including zoom lens'1998 5,673,099'Lens shutter camera including zoom lens'1997 5,598,240'Zoom lens drive system for lens shutter type of camera'1997 5,583,596'Lens shutter camera including zoom lens'1996 5,475,456'Zoom lens drive system for lens shutter type of camera'1995 5,465,131'Lens shutter camera including zoom lens'1995 5,321,462'Lens shutter camera including zoom lens'1994 5,280,317'Lens shutter camera including zoom lens drive system'1994 5,276,475'Lens shutter camera including zoom lens'1994 5,264,885'Lens shutter camera including zoom lens'1993 5,233,472'Method of controlling a zoom lens assembly'1993 5,214,462'Lens shutter camera including zoom lens and barrier mechanisms'1993 5,170,294'Method of controlling the zoom lens assembly'1992 5,162,831'Zoom lens drive system for camera'1992 5,157,429'Lens shutter camera including zoom lens'1992 5,150,145'Lens shutter camera including zoom lens'1992 5,142,315'Lens shutter type of camera including zoom lens'1992 5,077,567'Water-sealed camera'1991 5,016,032'Lens shutter camera including zoom lens'1991 4,944,030'Lens shutter camera including zoom lens'1990 4,936,664'Zoom lens drive system for camera'1990 4,544,251'Compact camera'1985 4,522,478'Cover-equipped camera'1985 4,500,184'Electronic flash camera'1985 4,443,085'Camera with an interchangeable lens'1984 4,427,277'Structure for mounting cover for automatic focus detecting device'1984 4,365,883'Focusing screen holding device'1982 4,342,508'Mirror operating mechanism in single-lens reflex camera'1982 4,314,747'Light shielding device for automatic focus detecting'1982 4,311,376'Mirror operating mechanism for single-lens reflex camera'1982 4,256,394'Camera automatic film winding device'1981 4,240,734'Motor-drive camera using a cartridge film'1980 4,198,149'Locking shutter speed dial device for a camera'1980 4,191,463'Counter device for multiple exposure in a camera'1980 4,042,942'Camera with motor drive'1977 3,964,078'Electro-mechanical arrangement in a single lens reflex camera having a detachable bottom cover plate for providing access to a circuit board of the arrangement'1976 3,936,846'Battery magazine in single lens reflex camera'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2000Patents assigned to ASAHI OPTICAL CO LTD (40)· patent assignee history

1976Based in Kamifukuoka, JP· patent location history

1977Based in Saitama, JP· patent location history

1980–1984Based in Ranzan, JP· patent location history

1985–2000Based in Tokyo, JP· patent location history

1992Patents assigned to ASAHI KOGAKU KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASAHI OPTICAL CO LTD	40	1976–2000
ASAHI KOGAKU KK	1	1992

Locations

Location	Patents	Span
Tokyo, JP	28	1985–2000
Ranzan, JP	10	1980–1984
Kamifukuoka, JP	2	1976
Saitama, JP	1	1977