Inventor
Yoshikazu Takeyama
Inventor
Yokohama-shi, Kanagawa, JP
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Cprimary
G11CStatic stores46%
G06FElectric digital data processing18%
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 systems10%
H01LSemiconductor devices8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
G05FSystems for regulating electric or magnetic variables3%
H03KPulse technique3%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%
PatentTitleYear
10,878,917Memory system202010,089,257Semiconductor storage device and control method thereof20189,977,752Semiconductor storage device and control method thereof20189,659,652'Semiconductor storage device and control method thereof'20179,620,218'Memory system and assembling method of memory system'20179,543,033'Semiconductor memory device, control method, and memory system'20179,443,595'Memory system and assembling method of memory system'20169,431,078'Semiconductor storage device and control method thereof'20169,286,960'Memory system and assembling method of memory system'20168,976,586'Semiconductor memory device for pseudo-random number generation'20158,582,358'Memory system, controller, and method for controlling memory system'20138,473,760'Memory system and server system'20137,855,915'Nonvolatile semiconductor storage device capable of high-speed writing'20107,808,821'Nonvolatile semiconductor memory including memory cell for storing multilevel data having two or more values'20107,742,358'Power supply circuit and semiconductor memory'20107,663,960'Voltage supply circuit and semiconductor memory'20107,642,760'Power supply circuit'20107,551,507'Power supply circuit and semiconductor memory'20097,449,937'Power supply circuit'20087,439,794'Power source circuit'20086,388,937'Semiconductor memory device'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2017Patents assigned to TOSHIBA KK (18)· patent assignee history
2002–2020Based in Yokohama-shi, Kanagawa, JP· patent location history
2013–2015Patents assigned to TAKEYAMA YOSHIKAZU (3)· patent assignee history
2013Patents assigned to MORI KEIZO (1)· patent assignee history
2013Based in Kanagawa, JP· patent location history
2015Patents assigned to INOUE ATSUSHI (1)· patent assignee history
2018–2020Patents assigned to TOSHIBA MEMORY CORP (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOSHIBA KK | 18 | 2002–2017 |
| TAKEYAMA YOSHIKAZUself | 3 | 2013–2015 |
| TOSHIBA MEMORY CORP | 3 | 2018–2020 |
| INOUE ATSUSHI | 1 | 2015 |
| MORI KEIZO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama-shi, Kanagawa, JP | 20 | 2002–2020 |
| Kanagawa, JP | 1 | 2013 |