LexDanaLexDanabeta
Inventor

Yasushi Kawase

Inventor
Tachikawa, JP

Overview

21→
Patents
1993–2013
Patent span
Physics
Primary field (CPC G)

Patents· 21 as inventor

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

G11Cprimary
G11CStatic stores39%
H10BElectronic memory devices25%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
G09GArrangements or circuits for control of indicating devices using static means to present variable information9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
H10DInorganic electric semiconductor devices7%
H03KPulse technique2%
PatentTitleYear
8,345,480'Semiconductor integrated circuit device for driving liquid crystal display'20138,089,810'Semiconductor integrated circuit device for driving liquid crystal display'2012RE042659'Large-capacity semiconductor memory with improved layout for sub-amplifiers to increase speed'20117,826,264'Semiconductor integrated circuit device for driving liquid crystal display'2010RE041379'Large-Capacity semiconductor memory with improved layout for sub-amplifiers to increase operational speed'2010RE040356'Large-capacity semiconductor memory with improved layout for sub-amplifiers to increase operational speed'20087,342,562'Liquid crystal drive device'20087,203,116'Semiconductor memory device'20077,199,648'Semiconductor integrated circuit including first and second switching transistors having operation states corresponding to operation states of first and second logic circuits'20077,082,063'Semiconductor memory device'2006RE038944'Semiconductor memory'20066,928,017'Semiconductor memory device'20056,747,509'Semiconductor integrated circuit'20046,625,079'Semiconductor memory device'20036,339,358'Semiconductor integrated circuit'20026,107,869'Semiconductor integrated circuit'20005,983,358'Semiconductor memory having redundancy circuit'19995,966,341'Semiconductor memory'19995,777,927'Semiconductor memory'19985,604,697'Semiconductor'19975,274,601'Semiconductor integrated circuit having a stand-by current reducing circuit'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2007Patents assigned to HITACHI DEVICE ENG (13)· patent assignee history
1993–2008Patents assigned to HITACHI LTD (10)· patent assignee history
1993–2011Based in Tachikawa, JP· patent location history
1997–2007Based in Kokubunji, JP· patent location history
2006Based in Tokyo, JP· patent location history
2010–2013Patents assigned to RENESAS ELECTRONICS CORP (3)· patent assignee history
2010–2013Based in Nanae, JP· patent location history
2011–2013Patents assigned to AKIBA TAKESADA (3)· patent assignee history
2011–2013Patents assigned to KAWASE YASUSHI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI DEVICE ENG131993–2007
HITACHI LTD101993–2008
AKIBA TAKESADA32011–2013
KAWASE YASUSHIself32011–2013
RENESAS ELECTRONICS CORP32010–2013
Locations
LocationPatentsSpan
Tachikawa, JP91993–2011
Kokubunji, JP81997–2007
Nanae, JP32010–2013
Tokyo, JP12006