Inventor

Takahiro Yagishita

Inventor

Kanagawa, JP

Overview

34→

Patents

1990–2019

Patent span

Physics

Primary field (CPC G)

Patents· 34 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television39%

G06TImage data processing or generation, in general30%

G06KGraphical data reading15%

G06FElectric digital data processing7%

B41JTypewriters2%

G02BOptical elements, systems or apparatus2%

G03GElectrography2%

G06VImage or video recognition or understanding2%

G09GArrangements or circuits for control of indicating devices using static means to present variable information2%

PatentTitleYear

10,241,565Apparatus, system, and method of controlling display, and recording medium2019 9,535,538'System, information processing apparatus, and information processing method'2017 9,471,983'Information processing device, system, and information processing method'2016 9,417,712'Image processing apparatus, computer-readable recording medium, and image processing method'2016 8,717,591'Image forming apparatus, image forming system, information processing apparatus, program, and storage medium'2014 8,472,085'Image processing device, additional information providing method, and computer-readable storage medium'2013 8,149,451'Information processing device, information embedding method, and program'2012 7,773,255'Apparatus and method for detecting document tampering'2010 7,502,488'Image processing apparatus, program, and storage medium that can selectively vary embedding specification of digital watermark data'2009 7,492,951'Image processing method and apparatus, and computer-readable storage medium'2009 7,486,411'Image processing device forming an image of stored image data together with additional information according to an image formation count'2009 7,277,585'Image encoding method, image encoding apparatus and storage medium'2007 7,221,483'Image encoding method and apparatus, image decoding method and apparatus, image processing apparatus, image formation apparatus, and computer-executable programs'2007 7,155,059'Color image processing apparatus and color image processing method'2006 7,046,387'Efficient coding of color images including monochrome images'2006 6,985,634'Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate'2006 6,788,811'Coding apparatus, decoding apparatus, coding method, decoding method, amd computer-readable recording medium for executing the methods'2004 6,714,685'Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate'2004 6,704,444'Color image processing apparatus and color image processing method'2004 6,704,455'Image processing system and image processing method'2004 6,683,990'Image data encoding apparatus'2004 6,603,884'Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate'2003 6,556,707'Method and apparatus for image processing for performing a color conversion'2003 6,519,052'Image processing method and apparatus to select a data compression method according to a size of an output image'2003 6,507,674'Image data encoding apparatus'2003 6,480,623'Color image processing apparatus and color image processing method'2002 6,459,816'Image processing system for compressing image data including binary image data and continuous tone image data by a sub-band transform method with a high-compression rate'2002 5,923,828'Image forming apparatus which forms an image based on bit map data'1999 5,565,907'Image forming apparatus capable of producing high quality halftone images'1996 5,491,506'Light quantity setting value determination with improved reliability'1996 5,107,278'Image forming apparatus'1992 5,019,913'Recording apparatus having control data selectively designated in memory which corresponds to one of multiple optical scanning systems'1991 4,977,414'Image forming apparatus'1990 4,918,489'Method of supplying recording sheets in image forming apparatus'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2010Patents assigned to RICOH KK (27)· patent assignee history

1990–2014Based in Yokohama, JP· patent location history

1996–2004Based in Tokyo, JP· patent location history

2002–2019Based in Kanagawa, JP· patent location history

2012–2019Patents assigned to RICOH CO LTD (7)· patent assignee history

2012–2019Patents assigned to YAGISHITA TAKAHIRO (7)· patent assignee history

2012Patents assigned to HARA TAKAYUKI (1)· patent assignee history

2013Patents assigned to ISHII YUKINORI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH KK	27	1990–2010
RICOH CO LTD	7	2012–2019
YAGISHITA TAKAHIROself	7	2012–2019
HARA TAKAYUKI	1	2012
ISHII YUKINORI	1	2013

Locations

Location	Patents	Span
Kanagawa, JP	23	2002–2019
Yokohama, JP	8	1990–2014
Tokyo, JP	3	1996–2004