Inventor

Kazutoshi Shimizume

Inventor

Kanagawa, JP

Overview

32→

Patents

1988–2013

Patent span

Physics

Primary field (CPC G)

Patents· 32 as inventor

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

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer37%

G06FElectric digital data processing10%

H03MCoding10%

G11CStatic stores8%

H03KPulse technique8%

H10DInorganic electric semiconductor devices8%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

G01RMeasuring electric variables4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

G09GArrangements or circuits for control of indicating devices using static means to present variable information4%

PatentTitleYear

8,458,542'Analog scan circuit, analog flip-flop, and data processing apparatus'2013 8,166,371'Semiconductor memory system and signal processing system'2012 7,821,285'Liquid crystal display apparatus and testing method for liquid crystal display apparatus'2010 7,626,411'Semiconductor device, semiconductor integrated circuit and bump resistance measurement method'2009 7,525,334'Liquid-crystal display device, defective pixel examination method, defective pixel examination program, and storage medium'2009 7,406,649'Semiconductor memory device and signal processing system'2008 6,762,442'Semiconductor device carrying a plurality of circuits'2004 6,759,701'Transistor circuit'2004 6,269,061'Servo control system for disk player'2001 6,084,449'Phase modulator circuit'2000 5,923,200'Phase modulator circuit'1999 5,910,934'Disc reproducing apparatus and method with adjustment of rotation speed between read positions'1999 5,883,866'Disk driving system and disk driving method'1999 5,694,380'Disc player apparatus having a disc rotational speed controller'1997 5,636,192'Disc player apparatus having a signal processing circuit which produces a reproduction clock synchronism with a reproduced signal'1997 5,590,106'Disc player having a plurality of reading means for reading information on a disc'1996 5,548,569'Tracking traverse control circuit for head unit of disc player'1996 5,528,608'De-interleave circuit for regenerating digital data'1996 5,486,827'EFM modulator for controlling digital sum variation of encoded data'1996 5,475,664'Focus servo circuit apparatus with automatic bias adjustments'1995 5,471,442'Compact disc player using Sub-Q data for track jump compensation'1995 5,453,964'Data processing circuit for disc player'1995 5,416,809'Digital phase locked loop apparatus'1995 5,408,477'Error correction method'1995 5,349,349'Modulator circuit for a recording for a digital recording medium'1994 5,265,081'Disc recording/reproducing apparatus having two constant linear velocities with controlled step switching between the two'1993 5,210,727'Compact disk players'1993 5,138,601'Digital information signal reproducing apparatus'1992 5,023,615'Large scale integrated circuit for converting pulse code modulated data to an analog signal'1991 4,979,192'Circuit for detecting a synchronizing signal'1990 4,821,293'Digital phase locked loop circuit'1989 4,733,405'Digital integrated circuit'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2013Patents assigned to SONY CORP (32)· patent assignee history

1988–2012Based in Kanagawa, JP· patent location history

2012–2013Patents assigned to SHIMIZUME KAZUTOSHI (2)· patent assignee history

2012Patents assigned to AKITA MAMORU (1)· patent assignee history

2013Patents assigned to HATA IKURO (1)· patent assignee history

2013Patents assigned to ISHIZUKA AKIRA (1)· patent assignee history

2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	32	1988–2013
SHIMIZUME KAZUTOSHIself	2	2012–2013
AKITA MAMORU	1	2012
HATA IKURO	1	2013
ISHIZUKA AKIRA	1	2013

Locations

Location	Patents	Span
Kanagawa, JP	31	1988–2012
Tokyo, JP	1	2013