LexDanaLexDanabeta
Inventor

Nobuhiko Ito

Inventor
Tenri, JP

Overview

30→
Patents
1990–2017
Patent span
Physics
Primary field (CPC G)

Patents· 30 as inventor

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

G11Cprimary
G11CStatic stores30%
C07CAcyclic or carbocyclic compounds17%
C07DHeterocyclic compounds15%
G05FSystems for regulating electric or magnetic variables6%
A61KPreparations for medical, dental or toiletry purposes4%
F02DControlling combustion engines4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for2%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations2%
PatentTitleYear
9,640,272'Semiconductor device control circuit and method thereof'20179,589,657'Internal power supply voltage auxiliary circuit, semiconductor memory device and semiconductor device'20179,484,341'Mom capacitor circuit and semiconductor device thereof'20169,397,562'Negative reference voltage generating circuit and system thereof'20169,285,821'Negative reference voltage generating circuit and negative reference voltage generating system using the same'20168,824,206'Non-volatile semiconductor memory device and readout method thereof'20147,630,243'Semiconductor memory device'20097,283,391'Semiconductor memory device'20077,224,611'Virtual ground line type memory device with high speed readout circuit'20077,075,873'Optical disc apparatus with disc selecting function'20067,057,944'Semiconductor readout circuit'20066,744,667'BIT LINE CONTROL DECODER CIRCUIT, VIRTUAL GROUND TYPE NONVOLATILE SEMICONDUCTOR STORAGE DEVICE PROVIDED WITH THE DECODER CIRCUIT, AND DATA READ METHOD OF VIRTUAL GROUND TYPE NONVOLATILE SEMICONDUCTOR STORAGE DEVICE'20046,643,175'Nonvolatile semiconductor storage device and test method therefor'20036,639,089'Anticancer agents, perfumes or foods and drinks'20036,600,070'Methods for making 2-(-alkoxycarbonylalkanoyl)-4-butanolide, ester of -hydroxy-(-3)-ketoaliphatic acid, and derivatives thereof'20036,528,668'Methods for making 2-(-alkoxycarbonylalkanoyl)-4-butanolide, ester of -hydroxy-(-3)-ketoaliphatic acid, and derivatives thereof'20036,525,207'Process for preparing epoxy compounds, aromatic compositions containing the same'20036,512,692'Nonvolatile semiconductor storage device and test method therefor'20036,475,133'Methods for making 2-(-alkoxycarbonylalkanoyl)-4-butanolide, ester of omega-hydroxy-(-3)-ketoaliphatic acid, and derivatives thereof'20026,438,035'Nonvolatile semiconductor storage device'20026,340,020'Stroke identifying unit of a four-stroke engine'20026,291,688'Processes for preparing 2-(omega-alkoxycarbonylalkanoyl)-4- butanolides omega-hydroxy-(omega-3)-keto fatty esters, and derivatives thereof'20016,222,049'2-(.omega.-alkoxycarbonyl alkanoyl)-4-butanolide'20016,170,322'Stroke identifying unit of a four-stroke engine'20015,808,106'Method for producing 2-(.omega.-alkoxycarbonyl alkanoyl)-4-butanolide and a long-chain .omega.-hydroxycarboxylic acid'19985,734,621'Semiconductor memory device'19985,461,521'Magnetic disk unit control method for removing dust from a disk'19955,289,424'Pseudo-static random access memory'19945,179,296'Charge pump substrate bias circuit'19934,898,985'Process for preparing 3,5,5-trimethylcyclohexa-2-en-1,4-dione'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2003Patents assigned to SODA AROMATIC (8)· patent assignee history
1990–2003Based in Chiba, JP· patent location history
1993–2009Patents assigned to SHARP KK (11)· patent assignee history
1993–2009Based in Tenri, JP· patent location history
1995–2017Based in Tokyo, JP· patent location history
2001–2002Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history
2001–2002Based in Saitama, JP· patent location history
2014–2016Patents assigned to POWERCHIP TECHNOLOGY CORP (3)· patent assignee history
2016–2017Patents assigned to POWERCHIP TECH CORP (3)· patent assignee history
2016Based in Hsinchu, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK111993–2009
SODA AROMATIC81990–2003
POWERCHIP TECH CORP32016–2017
POWERCHIP TECHNOLOGY CORP32014–2016
HONDA MOTOR CO LTD22001–2002
Locations
LocationPatentsSpan
Tenri, JP111993–2009
Tokyo, JP71995–2017
Chiba, JP71990–2003
Saitama, JP22001–2002
Hsinchu, TW12016