Inventor

Takashi Kohashi

Inventor

Tokyo, JP

Overview

1991–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 38 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television40%

G06TImage data processing or generation, in general17%

G11BInformation storage based on relative movement between record carrier and transducer10%

G06KGraphical data reading5%

G06VImage or video recognition or understanding5%

H04JMultiplex communication4%

G06FElectric digital data processing3%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%

H03KPulse technique3%

H04BTransmission3%

PatentTitleYear

11,132,538Image processing apparatus, image processing system, and image processing method2021 11,093,739Image processing apparatus, image processing system, and image processing method2021 10,867,166Image processing apparatus, image processing system, and image processing method2020 10,764,509Image processing device, image processing method, and program2020 10,742,872Imaging device, imaging method, and program2020 10,375,305Information processing device, imaging device, information processing method, and program2019 10,218,918Image processing device and method with image process effect selection based upon flow vector patterns2019 10,063,838Information processor, information processing method, and computer program2018 9,785,854'Information processor, information processing method, and computer program'2017 9,754,362'Image processing apparatus, image processing method, and program'2017 8,171,294'Additional-information detection processing apparatus and method, content playback processing apparatus and method, and computer program'2012 7,564,973'Digital watermark embedding device and digital watermark embedding method'2009 7,336,799'Digital watermark embedding device and digital watermark embedding method'2008 7,062,068'Data processing apparatus, data processing method, and program'2006 6,996,250'Digital watermark embedding processor, digital watermark detecting processor, digital watermark embedding-processing method, digital watermark detecting-processing method, and program storage medium and program used therewith'2006 6,954,856'Additional information embedding method, additional information detecting method, additional information embedding apparatus and additional information detecting apparatus'2005 6,954,472'Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signal'2005 6,728,883'Additional information superimposing apparatus, additional information superimposing method, additional information detecting apparatus, and additional information detecting method'2004 6,636,551'ADDITIONAL INFORMATION TRANSMISSION METHOD, ADDITIONAL INFORMATION TRANSMISSION SYSTEM, INFORMATION SIGNAL OUTPUT APPARATUS, INFORMATION SIGNAL PROCESSING APPARATUS, INFORMATION SIGNAL RECORDING APPARATUS AND INFORMATION SIGNAL RECORDING MEDIUM'2003 6,470,137'Method and apparatus for superimposing a level changed spectrum spread additional information signal on a video signal'2002 6,466,617'Additional information signal superimposing and detecting system, additional information superimposing and detecting method, and additional information signal detecting method and apparatus therefor'2002 6,359,905'Method and apparatus of detecting spectrum spread signal'2002 6,359,999'Method of adding information to video signal and information adding device'2002 6,342,924'Additional information superposition method and video signal outputting apparatus'2002 6,341,141'Method and apparatus for detecting spectrum spread signals'2002 6,339,449'Method and device for superimposing additional information on a video signal'2002 6,295,303'Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signal'2001 6,163,565'Additional information signal superimposing and detecting system additional information signal superimposing and detecting method and additional information signal detecting method and apparatus therefor'2000 5,321,513'Apparatus for shifting the DC level of a luminance signal based on frequency distribution and rate of modulation'1994 5,291,298'Video signal processing apparatus for controlling exposure, focus, and white balance for a VTR incorporated in a video camera'1994 5,258,848'Exposure controller of a 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 5,053,877'Automatic gain control circuit for use in a television camera'1991 5,038,205'Automatic white balance control circuit which operates on successive fields of video data'1991 4,998,162'Video camera'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2021Patents assigned to SONY CORP (36)· patent assignee history

1991–1993Based in Chiba, JP· patent location history

1993–1994Based in Kanagawa, JP· patent location history

2000–2021Based in Tokyo, JP· patent location history

2005Patents assigned to HITACHI LTD (1)· patent assignee history

2012Patents assigned to KOHASHI TAKASHI (1)· patent assignee history

2017–2018Patents assigned to SONY COMPUTER ENTERTAINMENT INC (2)· patent assignee history

2017–2018Patents assigned to SONY INTERACTIVE ENTERTAINMENT INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	36	1991–2021
SONY COMPUTER ENTERTAINMENT INC	2	2017–2018
SONY INTERACTIVE ENTERTAINMENT INC	2	2017–2018
HITACHI LTD	1	2005
KOHASHI TAKASHIself	1	2012

Locations

Location	Patents	Span
Tokyo, JP	28	2000–2021
Chiba, JP	7	1991–1993
Kanagawa, JP	3	1993–1994