Inventor

Nagaaki Ohyama

Inventor

Kawasaki, JP

Overview

35→

Patents

1990–2010

Patent span

Physics

Primary field (CPC G)

Patents· 35 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 general16%

G09GArrangements or circuits for control of indicating devices using static means to present variable information11%

G06FElectric digital data processing5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

A61BDiagnosis4%

G02BOptical elements, systems or apparatus4%

G06NComputing arrangements based on specific computational models4%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%

G06VImage or video recognition or understanding4%

PatentTitleYear

7,672,017'Color reproducing device'2010 7,511,715'Color reproduction system for making color display of four or more primary colors based on input tristimulus values'2009 7,443,539'Color reproducing device'2008 7,251,362'Color image processing apparatus'2007 7,058,804'Data storing system, issuing apparatus, data providing apparatus and computer readable medium storing data storing program'2006 7,010,162'Color image processing apparatus'2006 7,002,623'Image processing apparatus for correcting a color and texture of an image and displaying the corrected image'2006 6,961,149'Color reproducing device'2005 6,885,476'Color reproducing device'2005 6,873,339'Color reproduction system for making color display of four or more primary colors based on input tristimulus values'2005 6,633,302'Color reproduction system for making color display of four or more primary colors based on input tristimulus values'2003 6,549,653'Color image processing apparatus'2003 6,466,334'Color reproducing device'2002 5,864,364'Color image recording and reproducing system'1999 5,848,114'Computerized tomography system'1998 5,764,809'Image processing apparatus using correlation among images'1998 5,680,484'Optical image reconstructing apparatus capable of reconstructing optical three-dimensional image having excellent resolution and S/N ratio'1997 5,504,884'Information retrieval system'1996 5,479,569'Intelligence information processing method'1995 5,450,128'Image pickup system for reproducing image data using sensitivity function'1995 5,294,976'Image pickup system for reproducing image data using sensitivity function'1994 5,257,343'Intelligence information processing system'1993 5,221,959'Color discrimination data input apparatus'1993 5,218,531'NMR spectroscopic analyzing method'1993 5,216,528'Three-dimensional multiplex hologram'1993 5,199,085'Apparatus for restoring original image from degraded image'1993 5,170,119'Process and apparatus for determining the biocurrent distribution of a living body when the exact number of field sources is not known'1992 5,148,502'Optical image input/output apparatus for objects having a large focal depth'1992 5,124,842'Image input/output apparatus'1992 5,121,445'Method and apparatus for reading image'1992 5,105,466'Method and apparatus for detecting corresponding regions between picture images'1992 4,998,286'Correlation operational apparatus for multi-dimensional images'1991 4,979,225'Method and apparatus for detecting corresponding regions between picture images'1990 4,962,540'Method and apparatus for detecting corresponding regions between picture images'1990 4,895,431'Method of processing endoscopic images'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2010Patents assigned to OLYMPUS OPTICAL CO (26)· patent assignee history

1990–2010Based in Kawasaki, JP· patent location history

1992–1993Patents assigned to HITACHI LTD (2)· patent assignee history

1992–1996Based in Kanagawa, JP· patent location history

1992–1997Based in Yokohama, JP· patent location history

1993–1996Patents assigned to MITSUBISHI ELECTRIC CORP (3)· patent assignee history

1993Patents assigned to FUJI PHOTO OPTICAL CO LTD (1)· patent assignee history

1998Patents assigned to HITACHI MEDICAL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OLYMPUS OPTICAL CO	26	1990–2010
MITSUBISHI ELECTRIC CORP	3	1993–1996
HITACHI LTD	2	1992–1993
FUJI PHOTO OPTICAL CO LTD	1	1993
HITACHI MEDICAL CORP	1	1998

Locations

Location	Patents	Span
Kawasaki, JP	26	1990–2010
Kanagawa, JP	5	1992–1996
Yokohama, JP	4	1992–1997