Inventor

Yoshinobu Kudo

Inventor

Sakai, JP

Overview

1984–2009

Patent span

Physics

Primary field (CPC G)

Patents· 73 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 them65%

G02BOptical elements, systems or apparatus30%

H04NPictorial communication, e.g. television2%

H04JMultiplex communication1%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%

PatentTitleYear

7,626,767'Zoom lens'2009 6,005,712'Zoom viewfinder system for single reflex camera'1999 5,870,230'Zoom lens system'1999 5,802,068'Multiplexing apparatus of a plurality of data having different bit rates'1998 5,585,965'Zoom viewfinder system for single reflex camera'1996 5,515,133'Flash apparatus'1996 5,483,310'Film cartridge and a camera employing the film cartridge'1996 5,461,439'Camera and printer for producing print from a film exposed therein the camera'1995 5,363,163'Finder optical system for pseudo focal length'1994 RE034453'Photographic camera'1993 5,258,859'Image reproducing system'1993 5,221,939'Photographic camera'1993 5,220,371'Film cartridge and a camera employing the film cartridge'1993 5,159,386'Photographic camera image reproduction system'1992 5,134,434'Photographic camera'1992 5,130,733'Camera having a pseudo format'1992 5,119,122'Camera capable of providing a pseudo print format'1992 5,103,251'Camera capable of providing a pseudo print format'1992 5,086,355'Focal length changeable lens system'1992 5,083,149'Camera'1992 5,070,355'Camera system capable of recording information in an external memory'1991 5,060,006'Photographic camera'1991 5,057,857'Photographic camera system having a pseudo focal length mode'1991 5,036,344'Photographic camera'1991 5,025,275'Photographic camera'1991 5,014,078'Pseudo focal length camera'1991 4,983,026'Focal length changeable lens system'1991 4,982,216'Focusing device of a camera'1991 4,972,216'Camera having a real-image viewfinder'1990 4,967,214'Camera on which a front converter can be mounted'1990 4,963,907'Photographic camera'1990 4,963,917'Photographic camera'1990 4,949,110'Photographic camera'1990 4,943,825'Photographic camera'1990 4,933,692'Photographic camera'1990 4,928,124'Photographic camera'1990 4,926,203'Pseudo format camera with light shielding means'1990 4,924,248'Photographic camera'1990 4,908,650'Waterproof camera'1990 4,892,398'Triplet type objective with a diaphragm arranged behind the lens system'1990 4,886,342'Photographic lens device'1989 4,887,115'Photographic camera'1989 4,887,107'Camera'1989 4,887,108'Photographic camera'1989 4,884,089'Pseudo format camera'1989 4,884,092'Photographic camera'1989 4,868,589'Photographic camera'1989 4,862,201'Photographic camera'1989 4,860,039'Photographic camera system and using thereof'1989 4,847,646'Camera accessory'1989 4,843,418'Photographic camera'1989 4,830,473'Rear conversion lens system'1989 4,829,333'Photographic camera'1989 4,814,804'Photographic camera'1989 4,812,871'Photographic camera'1989 4,810,074'Photographic lens system'1989 4,806,961'Photographic camera'1989 4,792,216'Photographic lens system'1988 4,787,721'Photographic lens system'1988 4,787,724'Triplet type objective with a diaphragm arranged behind the lens system'1988 4,780,735'Photographic camera'1988 4,774,536'Photographic camera'1988 4,768,047'Photographic camera'1988 4,760,413'Photographic camera'1988 4,749,263'Rear conversion lens system'1988 4,749,264'Front conversion lens system'1988 4,733,263'Photographic camera'1988 4,728,978'Photographic camera'1988 4,728,973'Camera on which a front converter can be mounted'1988 4,724,448'Fixed-focus amphibious camera'1988 4,671,626'Photographic lens system'1987 4,493,536'Inverted telephoto type lens system'1985 4,444,473'Gauss type lens system'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1996Patents assigned to MINOLTA CAMERA KK (67)· patent assignee history

1984–1996Based in Osaka, JP· patent location history

1988–1993Based in Sakai, JP· patent location history

1989Patents assigned to MINOLTA CAMERA KABUSHI KAISHA (1)· patent assignee history

1996–1999Patents assigned to MINOLTA CO LTD (3)· patent assignee history

1996–1999Based in Kawachinagano, JP· patent location history

1998Patents assigned to NIPPON STEEL CORP (1)· patent assignee history

1998Based in Tokyo, JP· patent location history

2009Patents assigned to ASIA OPTICAL CO INC (1)· patent assignee history

2009Based in Toshima-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINOLTA CAMERA KK	67	1984–1996
MINOLTA CO LTD	3	1996–1999
ASIA OPTICAL CO INC	1	2009
MINOLTA CAMERA KABUSHI KAISHA	1	1989
NIPPON STEEL CORP	1	1998

Locations

Location	Patents	Span
Sakai, JP	40	1988–1993
Osaka, JP	28	1984–1996
Kawachinagano, JP	3	1996–1999
Toshima-ku, JP	1	2009
Tokyo, JP	1	1998