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Inventor

Ryotaro Sakurai

Inventor
Kodaira, JP

Overview

17→
Patents
2005–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 17 as inventor

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

G11Cprimary
G11CStatic stores36%
H01LSemiconductor devices19%
H10BElectronic memory devices17%
H10DInorganic electric semiconductor devices17%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
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 systems2%
H10NElectric solid-state devices not otherwise provided for2%
PatentTitleYear
10,680,001Non-volatile semiconductor memory device202010,263,002Anti-fuse memory and semiconductor storage device201910,102,911Non-volatile semiconductor storage device for reducing the number of memory cells arranged along a control to which a memory gate voltage is applied201810,074,658Non-volatile SRAM memory cell and non-volatile semiconductor storage device201810,074,660Semiconductor memory device201810,038,101Memory cell and non-volatile semiconductor storage device20189,842,650'Non-volatile SRAM memory cell, and non-volatile semiconductor storage device'20179,830,989Non-volatile semiconductor storage device20179,318,196'Non-volatile semiconductor memory device'20168,670,280'Charge pump circuit, nonvolatile memory, data processing apparatus, and microcomputer application system'20148,634,255'Charge pump circuit, nonvolatile memory, data processing apparatus, and microcomputer application system'20147,808,828'Non volatile memory'20107,558,107'Non volatile memory'20097,457,161'Nonvolatile memory apparatus'20087,426,136'Non volatile memory'20087,170,787'Nonvolatile memory apparatus'20076,912,155'Non volatile memory'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2009Patents assigned to RENESAS TECH CORP (5)· patent assignee history
2005–2010Based in Hachioji, JP· patent location history
2008–2010Patents assigned to HITACHI ULSI SYS CO LTD (2)· patent assignee history
2010–2014Patents assigned to RENESAS ELECTRONICS CORP (2)· patent assignee history
2014Patents assigned to KASAI HIDEO (1)· patent assignee history
2014Based in Kanagawa, JP· patent location history
2016–2020Patents assigned to FLOADIA CORP (9)· patent assignee history
2016–2020Based in Kodaira, JP· patent location history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FLOADIA CORP92016–2020
RENESAS TECH CORP52005–2009
HITACHI ULSI SYS CO LTD22008–2010
RENESAS ELECTRONICS CORP22010–2014
KASAI HIDEO12014
Locations
LocationPatentsSpan
Kodaira, JP82016–2020
Hachioji, JP62005–2010
Kanagawa, JP22014
Tokyo, JP12018