Inventor

Masayasu Hirano

Inventor

Osaka, JP

Overview

1987–2001

Patent span

Physics

Primary field (CPC G)

Patents· 26 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 them71%

G02BOptical elements, systems or apparatus26%

G06KGraphical data reading3%

PatentTitleYear

6,169,854'Display device connectable to a camera'2001 6,141,499'Camera capable of displaying the level of visual effect'2000 5,799,215'Camera system'1998 5,576,786'Camera system'1996 5,539,495'Camera system'1996 5,504,552'Camera system'1996 5,319,413'Camera system'1994 5,313,235'Sound playback apparatus capable of playing back sounds relevant to photographs'1994 5,260,735'Camera system'1993 5,235,379'Camera system'1993 5,223,884'Camera system'1993 5,159,384'Camera exposure control system selectively operative in exposure control mode based on multi-spot light measurement or in exposure control mode based on flash light'1992 5,140,361'Camera system having the plurality of manually settable parameters for determining camera operation'1992 5,130,737'Flash bracket photographing apparatus for a camera'1992 5,128,700'Camera capable of recording sounds relevant to the photographing'1992 5,081,482'IC card and camera for use therewith'1992 5,070,234'Connecting device for IC card'1991 5,040,016'Camera system'1991 5,032,857'Camera with card accommodating device'1991 5,006,877'Camera system'1991 4,994,844'Camera system'1991 4,958,181'Camera system'1990 4,937,601'Winding and rewinding apparatus'1990 4,855,779'Camera system'1989 4,821,338'Optical signal receiving apparatus with compensation for peripheral light'1989 4,707,104'Camera having motor-driven film wind and rewind system'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1996Patents assigned to MINOLTA CAMERA KK (23)· patent assignee history

1987–2000Based in Nishinomiya, JP· patent location history

1990–1998Based in Osaka, JP· patent location history

1992–1994Based in Azuchi, JP· patent location history

1998–2001Patents assigned to MINOLTA CO LTD (3)· patent assignee history

2001Based in Itami, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINOLTA CAMERA KK	23	1987–1996
MINOLTA CO LTD	3	1998–2001

Locations

Location	Patents	Span
Osaka, JP	14	1990–1998
Nishinomiya, JP	9	1987–2000
Azuchi, JP	2	1992–1994
Itami, JP	1	2001