Inventor

Takeshi Egawa

Inventor

Osaka, JP

Overview

1980–2015

Patent span

Physics

Primary field (CPC G)

Patents· 50 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 them56%

G02BOptical elements, systems or apparatus37%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof3%

F02BInternal-combustion piston engines1%

Y02TClimate change mitigation technologies related to transportation1%

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

PatentTitleYear

9,127,628'Flange fastening structure'2015 7,556,010'Multicylinder internal combustion engine with resonator'2009 5,260,735'Camera system'1993 5,249,012'Auto-focusing system for cameras with in interchangeable objective lens'1993 5,247,326'Camera system capable of automatic focus control'1993 5,142,318'Camera system capable of automatic focus control'1992 5,140,361'Camera system having the plurality of manually settable parameters for determining camera operation'1992 5,130,734'Data input/output device for a camera'1992 5,065,176'Camera system capable of automatic focus control'1991 5,049,909'Photographic camera provided with an electrically film driving system'1991 5,040,016'Camera system'1991 4,994,844'Camera system'1991 4,985,723'Photographic camera'1991 4,969,004'Focus detection system and lighting device therefor'1990 4,958,181'Camera system'1990 4,958,183'Control device for use in a camera system'1990 4,937,601'Winding and rewinding apparatus'1990 4,926,206'Focus detection system and lighting device therefor'1990 4,855,779'Camera system'1989 4,827,299'Automatic focus control camera'1989 4,827,301'Focus detection system and lighting device therefor'1989 4,803,508'Focus detection system and lighting device therefor'1989 4,791,445'Automatic focus control camera'1988 4,777,504'Camera with an automatic focusing device'1988 4,774,540'Camera system capable of automatic focus control'1988 4,733,262'Camera system capable of automatic focus control'1988 4,690,538'Focus detection system and lighting device therefor'1987 4,671,640'Automatic focus control camera'1987 4,632,510'Mounting and demounting device of optical unit'1986 4,623,238'Camera system capable of automatic focus control'1986 4,602,861'Auto-focusing system'1986 4,553,817'Automatic and manual focusing exchangeable lens assembly'1985 4,550,993'Device for providing a camera system with an information for a focus adjustment'1985 4,537,487'Automatic focus control system with backlash correcting arrangement'1985 4,536,072'Automatic focus control system'1985 4,534,621'Mounting and demounting device of optical unit'1985 4,509,842'Camera system capable of focus detection through an interchangeable objective lens'1985 4,492,429'Mounting device of optical unit'1985 4,449,807'Automatic system and interchangeable optical instrument therefor'1984 4,435,058'Auto-focus control camera'1984 4,431,285'Movable mirror arrangement for use in single lens reflex camera'1984 4,419,000'Camera capable of automatic film advancing and rewinding'1983 4,413,894'Interchangeable lens and camera for use therewith'1983 4,405,221'Camera motor drive mechanisms'1983 4,309,078'Pentagonal prism for camera viewfinder'1982 4,293,185'Optical conversion assembly for objective camera lenses'1981 4,278,339'Pentagonal prism module for camera viewfinder'1981 4,217,048'Viewfinder capable of adjusting diopter'1980 4,217,044'Indicating devices for camera viewfinders'1980 4,206,988'Viewfinder for single lens reflex cameras'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1993Patents assigned to MINOLTA CAMERA KK (47)· patent assignee history

1980–1993Based in Sennan, JP· patent location history

1981–1993Based in Osaka, JP· patent location history

1985–2015Patents assigned to EGAWA TAKESHI (2)· patent assignee history

1985Patents assigned to ANDO MAKOTO (1)· patent assignee history

1985Patents assigned to METABI TSUNEYO (1)· patent assignee history

2009–2015Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history

2009Based in Saitama, JP· patent location history

2015Based in Wako, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINOLTA CAMERA KK	47	1980–1993
EGAWA TAKESHIself	2	1985–2015
HONDA MOTOR CO LTD	2	2009–2015
ANDO MAKOTO	1	1985
METABI TSUNEYO	1	1985

Locations

Location	Patents	Span
Osaka, JP	27	1981–1993
Sennan, JP	21	1980–1993
Wako, JP	1	2015
Saitama, JP	1	2009