Inventor

Tatsuo Nagasaki

Inventor

Yokohama, JP

Overview

1984–2008

Patent span

Physics

Primary field (CPC G)

Patents· 87 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television29%

A61BDiagnosis17%

G06FElectric digital data processing6%

G01SRadio direction-finding5%

G02BOptical elements, systems or apparatus5%

G11BInformation storage based on relative movement between record carrier and transducer5%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%

G06KGraphical data reading3%

PatentTitleYear

7,415,167'Image processing apparatus'2008 7,142,725'Image processing apparatus'2006 6,744,931'Image processing apparatus'2004 6,622,276'Recording medium, information reproducing apparatus and information reproducing method'2003 6,538,705'Image projecting system'2003 6,519,824'Electric wiring forming system'2003 6,515,734'Exposure apparatus'2003 6,460,155'Information reproducing system capable of manually reading an optically readable code and repeatedly reproducing voice information included in the code'2002 6,317,156'Printer incorporated type electronic camera and member to be recorded'2001 6,222,593'Image projecting system'2001 6,205,259'Image processing apparatus'2001 6,144,446'Method and apparatus for inspecting foreign substance'2000 6,058,498'Dot code and information recording/reproducing system for recording/reproducing the same'2000 6,052,813'Dot code including a plurality of blocks wherein each of the blocks has a block address pattern representing an address of each of the blocks'2000 5,896,403'Dot code and information recording/reproducing system for recording/reproducing the same'1999 5,767,494'Information reproduction system for reproducing multimedia information recorded with optically readable code'1998 5,754,676'Image classification apparatus'1998 5,748,305'Method and apparatus for particle inspection'1998 5,717,485'Foreign substance inspection apparatus'1998 5,508,990'Optical recording and reproducing apparatus using optical recording medium'1996 5,506,912'Imaging device capable of tracking an object'1996 5,502,488'Solid-state imaging device having a low impedance structure'1996 5,436,662'Imaging apparatus having a solid state matrix-type imaging element and pulse generator for the expanding the dynamic range'1995 5,416,557'Camera apparatus having drift detecting unit'1995 5,386,410'Optical recording medium and recording and reproducing apparatus of the same'1995 5,379,063'Electronic still camera system compensating for image displacement'1995 5,376,965'Electronic imaging system capable of recording/reproducing images with any one of several possible recording media'1994 5,343,254'Image signal processing device capable of suppressing nonuniformity of illumination'1994 5,335,075'Image sensing apparatus having exposure level and dynamic range control circuit'1994 5,325,190'Color field sequential imaging apparatus having color-misregistration correction function based on correlations in units of colors'1994 5,307,169'Solid-state imaging device using high relative dielectric constant material as insulating film'1994 5,289,289'Image data coding apparatus and coding method for dynamic-image data'1994 5,264,940'Image sensing apparatus having exposure level and dynamic range control circuit'1993 5,166,800'Solid-state imaging device having a widened dynamic range'1992 5,155,520'Camera apparatus having image correcting function against instability of shooting thereof'1992 5,153,730'Electronic still camera having two recording stages for recording still-image signals'1992 5,153,731'Solid state image pick-up device and apparatus capable of providing filtering output with direct and real time manner'1992 5,148,502'Optical image input/output apparatus for objects having a large focal depth'1992 5,138,458'Electronic camera apparatus capable of providing wide dynamic range image signal'1992 RE033816'Pulse compression apparatus for ultrasonic image processing'1992 5,083,150'Automatic focusing apparatus'1992 5,070,353'Automatic focusing apparatus'1991 5,060,191'Ferroelectric memory'1991 5,056,503'Endoscope with high frequency accessory and reduced video interference'1991 5,057,924'Electronic still camera for converting and recording still image signal into a plurality of streams'1991 5,055,930'Image sensing and recording device having a multilayer analog memory stacked on an image sensing array'1991 5,047,043'Resecting device for living organism tissue utilizing ultrasonic vibrations'1991 5,016,975'Electronic endoscope provided with a sample-hold circuit'1991 5,014,711'Ultrasonic diagnosis apparatus'1991 4,989,588'Medical treatment device utilizing ultrasonic wave'1991 4,990,947'Automatic focusing apparatus'1991 4,987,884'Electronic endoscope'1991 4,953,011'Color enhancing circuit for enhancing saturation'1990 4,945,915'Ultrasonic diagnosis apparatus'1990 4,936,307'Ultrasonic observation system and an ultrasonic endoscope system'1990 4,926,247'Color imaging apparatus including a means for electronically non-linearly expanding and compressing dynamic range of an image signal'1990 4,907,573'Ultrasonic lithotresis apparatus'1990 4,880,011'Ultrasonic endoscope apparatus'1989 4,875,091'Field sequential color imaging apparatus'1989 4,826,319'Method and apparatus for measuring immunological reaction with the aid of fluctuation in intensity of scattered light'1989 4,821,116'Endoscope equipment'1989 4,788,981'Pulse compression apparatus for ultrasonic image processing'1988 4,780,762'Image signal correcting circuit'1988 4,762,413'Method and apparatus for measuring immunological reaction with the aid of fluctuation in intensity of scattered light'1988 4,760,839'Mesh pattern eraser for endoscope'1988 4,748,985'Ultrasonic imaging apparatus having circulating cooling liquid for cooling ultrasonic transducers thereof'1988 4,737,842'Color emphasis circuit'1988 4,713,683'Illuminating and synchronizing device for color imaging equipment'1987 4,686,964'Endoscope pickup means'1987 4,663,657'Image pickup apparatus for endoscopes'1987 4,653,478'Endoscope equipment'1987 4,638,353'Illuminating means for color image sensing'1987 4,633,303'Two-dimensional bandwidth compensating circuit for an endoscope using a solid state image pick-up device'1986 4,633,304'Endoscope assembly'1986 4,631,582'Endoscope using solid state image pick-up device'1986 4,625,236'Light source means for endoscope employing solid state imaging device'1986 4,622,584'Automatic dimmer for endoscope'1986 4,618,885'Electromagnetic noise preventive means for an endscope with solid state image pickup element'1986 4,618,884'Image pickup and observation equipment for endoscope'1986 4,615,330'Noise suppressor for electronic endoscope'1986 4,608,490'Focus detection method utilizing surface acoustic wave'1986 4,602,281'Automatic means for controlling dosage of illuminating light for picking-up image by endoscope assembly'1986 4,593,313'Endoscope'1986 4,584,606'Image pickup means'1986 4,497,322'Ultrasonic detection apparatus'1985 4,484,476'Acoustic microscope device'1984 4,432,236'Signal processing circuit of ultrasonic diagnostic apparatus'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2008Patents assigned to OLYMPUS OPTICAL CO (83)· patent assignee history

1984–1991Based in Musashino, JP· patent location history

1984–1991Based in Tokyo, JP· patent location history

1989–2008Based in Yokohama, JP· patent location history

1995–1996Based in Hachioji, JP· patent location history

1998–2000Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (3)· patent assignee history

1998–2000Based in Hirakata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OLYMPUS OPTICAL CO	83	1984–2008
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	3	1998–2000

Locations

Location	Patents	Span
Yokohama, JP	45	1989–2008
Musashino, JP	30	1984–1991
Tokyo, JP	7	1984–1991
Hirakata, JP	2	1998–2000
Hachioji, JP	2	1995–1996