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Inventor

Yoshihiko Azuma

Inventor
Osaka, JP

Overview

21→
Patents
1988–2001
Patent span
Physics
Primary field (CPC G)

Patents· 21 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 them47%
G02BOptical elements, systems or apparatus32%
H04NPictorial communication, e.g. television9%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
H05BElectric heating3%
PatentTitleYear
6,249,317'Automatic exposure control apparatus'20016,072,526'Image sensing device that can correct colors corresponding to skin in a video signal'20006,055,684'Sauna apparatus'20005,799,215'Camera system'19985,796,076'Sauna heater control'19985,589,934'Light measuring apparatus capable of measuring ambient light and flash light'19965,576,786'Camera system'19965,539,495'Camera system'19965,504,552'Camera system'19965,319,413'Camera system'19945,245,379'Exposure value setting device for a camera'19935,235,379'Camera system'19935,223,884'Camera system'19935,130,737'Flash bracket photographing apparatus for a camera'19925,111,285'Video printer device'19925,019,851'Camera system'19915,006,877'Camera system'19914,994,844'Camera system'19914,974,011'Camera system'19904,937,601'Winding and rewinding apparatus'19904,737,815'Photometer'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1996Patents assigned to MINOLTA CAMERA KK (14)· patent assignee history
1990–1998Based in Osaka, JP· patent location history
1992Patents assigned to DAINIPPON PRINTING CO LTD (1)· patent assignee history
1992Based in Tokyo, JP· patent location history
1996–2001Patents assigned to MINOLTA CO LTD (4)· patent assignee history
1996Based in Kawasaki, JP· patent location history
1998–2000Based in Nishinomiya, JP· patent location history
2000–2001Based in Aira-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CAMERA KK141988–1996
MINOLTA CO LTD41996–2001
DAINIPPON PRINTING CO LTD11992
Locations
LocationPatentsSpan
Osaka, JP141990–1998
Aira-gun, JP22000–2001
Nishinomiya, JP21998–2000
Kawasaki, JP11996
Tokyo, JP11992