Inventor

Yukio Mashimo

Inventor

Tokyo, JP

Overview

1976–1987

Patent span

Physics

Primary field (CPC G)

Patents· 66 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 them80%

H05BElectric heating5%

G02BOptical elements, systems or apparatus3%

G08BSignalling systems, e.g. personal calling systems3%

H03MCoding3%

G01DMeasuring not specially adapted for a specific variable1%

G01RMeasuring electric variables1%

G09GArrangements or circuits for control of indicating devices using static means to present variable information1%

H01FMagnets1%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters1%

PatentTitleYear

RE032425'Exposure control system for flash photography'1987 4,470,678'Electric motor drive device for camera'1984 4,464,609'Flash lighting unit for a camera'1984 4,464,031'Connection arrangement for camera system components'1984 4,460,265'Camera system with camera mounted drive'1984 4,458,999'Motor drive device'1984 4,441,801'Motor driven camera'1984 4,435,061'Electric motor drive device for camera'1984 4,427,280'Auxiliary power source device for motor driven camera'1984 4,426,142'Camera employing a flash illumination device and a flash photographing system'1984 RE031370'System for exposure measurement and/or focus detection by means of image sensor'1983 4,371,243'Photographic mode selector system'1983 4,367,937'Motor driven camera'1983 4,363,540'Exposure information storage device for a photographic camera'1982 4,357,087'Camera incorporated with a movable flash light device'1982 4,319,814'Camera employing a flash illumination device and a flash photographing system'1982 4,317,070'Circuits for flash equipment'1982 4,306,794'Camera and power drive with automatic rewind brake'1981 4,304,480'Motor drive camera with synchronization system'1981 4,294,530'Motorized photographic system and camera and power drive unit therefor'1981 4,288,154'Digital information indicating system'1981 4,279,490'Electric driving device'1981 4,278,337'Electric motor drive device for camera'1981 4,272,173'Motor drive unit for camera having variable winding speed characteristics'1981 4,272,170'Photographic arrangement using various electronic flash devices'1981 4,267,437'Exposure control device for a camera'1981 4,258,997'Camera and electric motor drive therefor'1981 4,232,958'Means for advancing film in cameras held in various film frame orientations'1980 4,188,104'Automatic control device for electronic flash'1980 4,187,019'Flash light photographic systems'1980 4,175,845'Winding up device of a camera'1979 4,174,161'Exposure control system'1979 4,167,332'Indication and photometric unit'1979 4,165,929'Camera with exposure control device'1979 4,163,935'Apparatus for checking a battery voltage'1979 4,162,839'Dual preference camera for digitally displaying preset and computered valves'1979 4,153,355'Camera incorporated with a movable flash light device'1979 4,149,795'Digital information transmitting and displaying system for a photographic camera'1979 4,146,317'Dual priority camera'1979 4,137,541'Automatic exposure control apparatus for a single lens reflex camera'1979 4,126,872'Aperture setting device for camera'1978 4,126,874'Power supply circuit for camera'1978 4,096,493'Photographic camera having electromagnetic diaphragm control'1978 4,092,652'Exposure information indicating device for a camera'1978 4,090,207'Photographic information indication device'1978 4,089,011'Exposure information setting device for camera'1978 4,086,603'Electrical driving circuit of camera'1978 4,086,581'Exposure control apparatus'1978 4,079,396'Focal plane shutter unit'1978 4,078,242'Flash light photographic systems'1978 4,064,515'Analog to digital converter for a plurality of analog channels'1977 4,063,257'Exposure control system'1977 4,047,187'System for exposure measurement and/or focus detection by means of image senser'1977 4,037,233'Exposure control device for a camera'1977 4,034,383'Exposure control device'1977 4,029,421'Digital exposure meter'1977 4,030,108'Aperture setting device for camera'1977 4,021,824'Flash light photographic system for camera'1977 4,021,828'Film counter'1977 4,020,433'Release type electromagnetic device'1977 4,016,575'Exposure control system for flash photography'1977 4,011,569'Exposure control system for a camera'1977 4,005,444'Exposure control system for flash photography'1977 4,000,498'Temperature compensated exposure control apparatus for a camera'1976 3,988,748'Single lens reflex camera'1976 3,976,913'Automatic flash device'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to CANON KK (64)· patent assignee history

1976–1987Based in Tokyo, JP· patent location history

1981–1984Based in Kawasaki, JP· patent location history

1983Patents assigned to TEXAS INSTRUMENTS INC (1)· patent assignee history

1984Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANON KK	64	1976–1984
TEXAS INSTRUMENTS INC	1	1983

Locations

Location	Patents	Span
Tokyo, JP	59	1976–1987
Kanagawa, JP	5	1984
Kawasaki, JP	2	1981–1984