Inventor

Koh Kamizawa

Inventor

Kanagawa, JP

Overview

1987–2002

Patent span

Physics

Primary field (CPC G)

Patents· 57 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television35%

G06TImage data processing or generation, in general25%

G06FElectric digital data processing18%

H04LTransmission of digital information, e.g. telegraphic communication5%

G10LSpeech analysis techniques or speech synthesis4%

H03MCoding4%

G06KGraphical data reading3%

H04JMultiplex communication3%

G03GElectrography1%

G06VImage or video recognition or understanding1%

PatentTitleYear

6,459,437'Color converting device'2002 6,240,460'Method and system for data transmission accordance with the form of the data transmission based on control information exchanged between applications of a data transmitter and a data receiver before data transmission is started'2001 6,236,756'Image analysis method and device'2001 6,125,397'Data transfer apparatus and method using congestion recovery-type and congestion avoidance-type data transfers'2000 6,014,765'Data transmission apparatus and method'2000 5,991,458'Image quality prediction apparatus and method, and image quality control apparatus and method'1999 5,987,182'Markov model image encoding device and method'1999 5,978,561'Image forming apparatus'1999 5,956,430'Image information coding apparatus and method using code amount of a selected pixel block for changing coding parameter'1999 5,900,946'Image information encoding/decoding apparatus assuring a minimum compression ratio and limiting a transfer rate'1999 5,872,962'Program control system'1999 5,828,789'Image coding system and image decoding system'1998 5,822,463'Image coding apparatus utilizing a plurality of different quantization-width estimation methods'1998 5,821,969'Image forming apparatus'1998 5,818,974'Image coding apparatus'1998 5,778,166'Auxiliary storage controlling method and auxiliary storage controlling apparatus using the same'1998 5,774,455'Data transmission apparatus and method and data communication system conducting variable bit-rate data transmission'1998 5,761,522'Program control system programmable to selectively execute a plurality of programs'1998 5,754,698'Image signal encoding device having first and second encoding means'1998 5,742,704'Image coding apparatus capable of coding in accordance with an image type'1998 5,727,121'Sound processing apparatus capable of correct and efficient extraction of significant section data'1998 5,701,367'Image data coding system for controlling amounts of code data for character image and natural image regions'1997 5,699,170'Image communication system including receiver image data selection capability'1997 5,687,256'Image coding and decoding apparatuses with variable block boundaries'1997 5,631,977'Encoding device for encoding an image along an order determined by resolution tone level'1997 5,615,288'Singular value decomposition coding and decoding apparatuses'1997 5,613,015'Image signal analyzing system and coding system'1997 5,598,484'Apparatus for encoding an image signal'1997 RE035414'Picture coding and decoding apparatus using vector quantization'1996 5,577,132'Image coding/decoding device'1996 5,570,202'Image transmission apparatus in which pixel data are rearranged using sequence numbers for respective frames'1996 5,570,203'Image signal coding device'1996 5,539,468'Coding device and decoding device adaptive to local characteristics of an image signal'1996 5,504,916'Digital signal processor with direct data transfer from external memory'1996 5,500,907'Image signal analyzing system'1996 5,487,119'Method of determining quantization step in a subband coding system'1996 RE035104'Subrate multi-media data transmission system'1995 5,459,517'Moving picture scene detection system'1995 5,446,803'Image signal processing apparatus'1995 5,414,527'Image encoding apparatus sensitive to tone variations'1995 5,392,362'Image coding device and decoding device'1995 RE034850'Digital signal processor'1995 5,383,037'Apparatus for image coding and decoding based on color components in an image signal'1995 5,291,286'Multimedia data transmission system'1994 5,247,627'Digital signal processor with conditional branch decision unit and storage of conditional branch decision results'1993 5,237,667'Digital signal processor system having host processor for writing instructions into internal processor memory'1993 5,222,241'Digital signal processor having duplex working registers for switching to standby state during interrupt processing'1993 5,206,940'Address control and generating system for digital signal-processor'1993 5,194,950'Vector quantizer'1993 5,161,247'Digital signal processor matching data blocks against a reference block and replacing the reference block when a new minimum distortion block is calculated'1992 5,155,852'Digital information coding system which evenly distributes valid input data to digital signal processors operating in parallel'1992 5,130,797'Digital signal processing system for parallel processing of subsampled data'1992 5,045,993'Digital signal processor'1991 5,010,401'Picture coding and decoding apparatus using vector quantization'1991 4,920,480'Digital signal processor'1990 4,864,562'Sub-rate multi-media data transmission control system'1989 4,710,812'Interframe adaptive vector quantization encoding apparatus and video encoding transmission apparatus'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1996Patents assigned to MITSUBISHI ELECTRIC CORP (18)· patent assignee history

1987–2001Based in Kanagawa, JP· patent location history

1991–1996Based in Kamakura, JP· patent location history

1995–2002Patents assigned to FUJI XEROX CO LTD (39)· patent assignee history

1995–1998Based in Ebina, JP· patent location history

1998–2002Based in Nakai-machi, JP· patent location history

1998–1999Based in Ashigarakami-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI XEROX CO LTD	39	1995–2002
MITSUBISHI ELECTRIC CORP	18	1987–1996

Locations

Location	Patents	Span
Kanagawa, JP	38	1987–2001
Nakai-machi, JP	9	1998–2002
Ashigarakami-gun, JP	4	1998–1999
Ebina, JP	4	1995–1998
Kamakura, JP	2	1991–1996