Inventor

Katsuaki Hirota

Inventor

Kanagawa, JP

Overview

1991–2010

Patent span

Electricity

Primary field (CPC H)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary

H04NPictorial communication, e.g. television61%

G02BOptical elements, systems or apparatus22%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

7,826,658'Image processing system, image processing method, image processing recording medium, and program suitable for extraction processing'2010 7,623,172'Solid-state image pickup device and drive method thereof'2009 6,034,726'Image generating device having automatic focus correction based on a detected change in an iris position or in a zoom lens position'2000 5,764,290'Flange-back adjusting method and apparatus for a video camera using an inner focus lens assembly'1998 5,543,840'Method and apparatus for flange back adjustment of camera inner focus lens assembly'1996 5,448,295'Video camera'1995 5,274,458'Video camera'1993 5,235,428'Auto-focus system for video camera'1993 5,182,636'Color video camera with auto-white balance control'1993 5,144,450'Auto focus frequency conversion filter for CCD imagers having different numbers of pixels'1992 5,093,716'Digital color video camera with auto-focus, auto-exposure and auto-white balance, and an auto exposure system therefor which compensates for abnormal lighting'1992 5,005,086'Focus control apparatus having two focusing speeds'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2010Patents assigned to SONY CORP (12)· patent assignee history

1991–2010Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	12	1991–2010

Locations

Location	Patents	Span
Kanagawa, JP	12	1991–2010