Inventor

Masanobu Shirakawa

Inventor
Chigasaki, JP

Overview

132→
Patents
2008–2021
Patent span
Physics
Primary field (CPC G)

Patents· 132 as inventor

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

G11Cprimary
G11CStatic stores49%
G06FElectric digital data processing15%
H10BElectronic memory devices14%
H01LSemiconductor devices11%
H04NPictorial communication, e.g. television3%
H03MCoding1%
A61KPreparations for medical, dental or toiletry purposes1%
C07KPeptides1%
G06KGraphical data reading1%
G06TImage data processing or generation, in general1%
PatentTitleYear
11,120,883Semiconductor storage device202111,099,931Memory system202111,086,573Memory system202111,068,167Nonvolatile memory including intermediate buffer and input/output buffer and memory system including the nonvolatile memory202111,069,403Semiconductor storage device and memory system202111,037,643Memory system for controlling magnetic memory202111,024,386Semiconductor memory device202111,017,863Multi-bit memory system with adaptive read voltage controller202110,866,860Memory system202010,854,298Semiconductor memory device202010,847,192Semiconductor memory device202010,818,358Memory system including a semiconductor memory having a memory cell and a write circuit configured to write data to the memory cell202010,811,105Semiconductor storage device202010,803,959Memory system including the semiconductor memory and a controller202010,803,953Memory system for restraining threshold variation to improve data reading202010,796,754Semiconductor storage device and memory system including semiconductor storage device and controller202010,796,776Nonvolatile memory and memory system202010,762,955Memory system202010,748,589Memory system202010,725,864Memory system202010,726,911Memory system202010,714,192Memory system202010,698,611Semiconductor memory device including a control circuit and at least two memory cell arrays202010,672,478Semiconductor memory device202010,636,304Moving object and driving support system for moving object202010,635,354Memory system202010,629,265Semiconductor memory device202010,600,485Memory system having semiconductor memory device that performs verify operations using various verify voltages202010,593,398Semiconductor storage device including a controller configured to execute a first write and a second write202010,566,049Semiconductor memory device202010,552,047Memory system202010,541,030Memory system for restraining threshold variation to improve data reading202010,504,597Semiconductor memory device201910,453,536Memory system including the semiconductor memory and a controller201910,430,275Memory system201910,431,299Semiconductor storage device and memory system201910,403,373Memory system201910,381,084Semiconductor memory device201910,373,656Memory system that carries out temperature-based access to a memory chip201910,366,749Memory system201910,325,664Multi-bit memory system with adaptive read voltage controller201910,310,942Memory system201910,297,338Memory system201910,289,480Memory system201910,276,243Semiconductor memory device and writing operation method thereof in which first memory cells of a page that are in a first group of contiguous columns are programmed and verified separately from second memory cells of the same page that are in a second group of contiguous columns that does not overlap with the first group201910,276,244Memory system201910,262,533Moving object and driving support system for moving object201910,241,552Memory system and control method201910,217,519Semiconductor memory device having a controller configured to execute an intervening operation after a program operation and before a verify operation for that program operation201910,204,680Semiconductor storage device and memory system201910,141,061Memory system201810,120,584Semiconductor memory device including a control circuit and at least two memory cell arrays201810,109,212Processing system and display device201810,096,366Memory system including multi-plane flash memory and controller201810,074,434Semiconductor memory device20189,953,709Semiconductor memory device and memory system20189,947,408Semiconductor memory device that applies same voltage to two adjacent word lines for access20189,941,015Semiconductor memory device20189,934,847Memory system storing 4-bit data in each memory cell and method of controlling thereof including soft bit information20189,927,993'Semiconductor memory device'20189,928,920'Memory controller, storage device, and read retry method'20189,922,707'Semiconductor storage apparatus and memory system comprising memory cell holding data value of multiple bits'20189,911,499'Semiconductor memory device and memory system'20189,911,498'Semiconductor memory device and writing operation method thereof'20189,892,040'Semiconductor memory device'20189,881,684'Semiconductor memory device'20189,817,598'Memory device cable of high write efficency'20179,805,804'Semiconductor memory device and data erasing method'20179,799,403'Semiconductor memory device'20179,773,555'Semiconductor memory device'20179,767,908'Semiconductor memory device that applies an initial pass voltage followed by a final pass voltage to non-selected word lines during a write operation'20179,767,910'Semiconductor memory device and memory system'20179,741,439'Non-volatile semiconductor memory device'20179,721,666'Memory system'20179,704,570'Semiconductor memory device and memory system'20179,685,232'Semiconductor memory device having a memory string that includes a transistor having a charge stored therein to indicate the memory string is defective'20179,679,651'Semiconductor memory device capable of determining an initial program condition for different memory cells'20179,659,663'Semiconductor memory device'20179,653,156'Memory controller, nonvolatile semiconductor memory device and memory system'20179,633,745'Semiconductor memory device'20179,627,077'Semiconductor memory device storing management data redundantly in different pages'20179,613,713'Semiconductor memory device'20179,601,210'Semiconductor memory device and memory system'20179,576,665'Semiconductor memory device and memory system'20179,548,127'Memory system'20179,548,107'Semiconductor memory device'20179,524,792'Semiconductor memory device and memory controller'20169,478,293'Memory system and controller'20169,478,301'Semiconductor memory device'20169,437,301'Non-volatile semiconductor memory device'20169,424,929'Memory system and memory control method'20169,396,775'Semiconductor memory device including a control circuit and at least two memory cell arrays'20169,368,211'Semiconductor memory device having a memory string that includes a transistor having a charge stored therein to indicate the memory string is defective'20169,361,988'Semiconductor memory device'20169,355,737'Semiconductor memory device'20169,355,731'Semiconductor memory device and data erasing method'20169,349,464'Non-volatile semiconductor device'20169,324,446'Non-volatile semiconductor storage device, and memory system'20169,269,445'Semiconductor memory device'20169,257,183'Semiconductor storage device having nand-type flash memory'20169,214,238'Semiconductor memory device'20159,147,474'Non-volatile semiconductor memory device capable of improving failure-relief efficiency'20159,136,007'Semiconductor memory device storing management data redundantly in different pages'20159,129,683'High performance semiconductor memory device that has different page addresses allotted to multiple bits of memory cells'20159,007,836'Non-volatile semiconductor memory device'20158,982,630'Non-volatile semiconductor memory device'20158,982,623'Nonvolatile semiconductor memory device'20158,976,602'Non-volatile semiconductor device'20158,958,247'Semiconductor memory device'20158,942,040'Non-volatile semiconductor memory device capable of improving failure-relief efficiency'20158,902,670'Semiconductor memory device'20148,767,466'Non-volatile semiconductor memory device'20148,724,397'Non-volatile semiconductor memory device and method of reading data thereof'20148,649,224'Non-volatile semiconductor memory device'20148,593,872'Nonvolatile semiconductor memory device capable of speeding up data write'20138,570,802'Nonvolatile semiconductor memory device capable of speeding up write operation'20138,547,726'Semiconductor memory device and controlling method thereof'20138,526,241'Non-volatile semiconductor memory device capable of improving failure-relief efficiency'20138,320,200'Semiconductor storage device and method of reading data therefrom'20128,269,837'Digital camera and image processing apparatus'20128,120,791'Image synthesizing apparatus'20128,111,562'Semiconductor storage device and method of reading data therefrom'20128,098,298'Digital camera recording a composite image'20127,965,552'Non-volatile semiconductor memory device'20117,911,845'Non-volatile semiconductor memory device'20117,894,262'Nonvolatile semiconductor storage device having guaranteed and backup blocks'20117,884,859'Digital camera'20117,679,977'Semiconductor memory device and test method thereof'20107,580,066'Digital camera and template data structure'20097,573,601'Digital camera'20097,466,350'Digital camera recording a composite image'20087,463,515'Semiconductor memory device'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2018Patents assigned to TOSHIBA KK (56)· patent assignee history
2008–2012Patents assigned to SEIKO EPSON CORP (7)· patent assignee history
2008–2012Based in Nagano, JP· patent location history
2008–2010Based in Fujisawa, JP· patent location history
2011–2021Based in Chigasaki, JP· patent location history
2012–2014Patents assigned to SHIRAKAWA MASANOBU (12)· patent assignee history
2012Patents assigned to TSUJI SHUJI (3)· patent assignee history
2013Based in San Jose, CA, US· patent location history
2015–2021Based in Kanagawa, JP· patent location history
2017–2021Patents assigned to TOSHIBA MEMORY CORP (68)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA MEMORY CORP682017–2021
TOSHIBA KK562008–2018
SHIRAKAWA MASANOBUself122012–2014
SEIKO EPSON CORP72008–2012
TSUJI SHUJI32012
Locations
LocationPatentsSpan
Chigasaki, JP1062011–2021
Kanagawa, JP162015–2021
Nagano, JP72008–2012
Fujisawa, JP22008–2010
San Jose, California, US12013