Tetsuaki Okahiro

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatuses and methods for providing driving signals in semiconduc...
- Patent number 10,607,689
- Issue date Mar 31, 2020
- Micron Technology, Inc.
- Satoshi Yamanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatuses and methods for providing driving signals in semiconduc...
- Patent number 10,347,321
- Issue date Jul 9, 2019
- Micron Technology, Inc.
- Satoshi Yamanaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device of open bit line type
- Patent number RE46202
- Issue date Nov 8, 2016
- Longitude Semiconductor S.a.r.l.
- Tetsuaki Okahiro
Information Patent Grant
Semiconductor memory device having sense amplifier
- Patent number 9,472,264
- Issue date Oct 18, 2016
- Micron Technology, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having a memory and calibration circuit that a...
- Patent number 9,378,799
- Issue date Jun 28, 2016
- PS4 Luxco S.A.R.L.
- Nakaba Kaiwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having a memory and calibration circuit that s...
- Patent number 9,043,539
- Issue date May 26, 2015
- PS4 Luxco S.A.R.L.
- Nakaba Kaiwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having equalizing circuit equalizing pair of b...
- Patent number 8,804,446
- Issue date Aug 12, 2014
- PS4 Luxco S.A.R.L.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device and method of refreshing the same
- Patent number 8,451,677
- Issue date May 28, 2013
- Elpida Memory, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device capable of matching the timing between...
- Patent number 8,391,085
- Issue date Mar 5, 2013
- Elpida Memory, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device for performing a refresh operation
- Patent number 8,274,855
- Issue date Sep 25, 2012
- Elpida Memory, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device and method of refreshing the same
- Patent number 8,068,375
- Issue date Nov 29, 2011
- Elpida Memory, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device of open bit line type
- Patent number 8,000,123
- Issue date Aug 16, 2011
- Elpida Memory, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
APPARATUSES AND METHODS FOR PROVIDING DRIVING SIGNALS IN SEMICONDUC...
- Publication number 20190272866
- Publication date Sep 5, 2019
- Micron Technology, Inc.
- Satoshi Yamanaka
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUSES AND METHODS FOR PROVIDING DRIVING SIGNALS IN SEMICONDUC...
- Publication number 20190237128
- Publication date Aug 1, 2019
- Micron Technology, Inc.
- Satoshi Yamanaka
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE HAVING A MEMORY AND CALIBRATION CIRCUIT THAT S...
- Publication number 20150269985
- Publication date Sep 24, 2015
- PS4 LUXCO S.A.R.L.
- Nakaba Kaiwa
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE HAVING SENSE AMPLIFIER
- Publication number 20150262650
- Publication date Sep 17, 2015
- Micron Technology, Inc.
- TETSUAKI OKAHIRO
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE FOR PERFORMING A REFRESH OPERATION
- Publication number 20120307583
- Publication date Dec 6, 2012
- Elpida Memory, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE PERFORMING PARALLEL TEST OPERATION
- Publication number 20120124436
- Publication date May 17, 2012
- Elpida Memory, Inc.
- Tetsuaki OKAHIRO
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE HAVING EQUALIZING CIRCUIT EQUALIZING PAIR OF B...
- Publication number 20120120751
- Publication date May 17, 2012
- Elpida Memory, Inc.
- Tetsuaki OKAHIRO
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF REFRESHING THE SAME
- Publication number 20110273948
- Publication date Nov 10, 2011
- Elpida Memory, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor device having calibration circuit that adjusts an imp...
- Publication number 20110066798
- Publication date Mar 17, 2011
- Elpida Memory, Inc.
- Nakaba Kaiwa
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE
- Publication number 20100142246
- Publication date Jun 10, 2010
- ELPIDA MEMORY, INC.
- Tetsuaki OKAHIRO
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF REFRESHING THE SAME
- Publication number 20100128548
- Publication date May 27, 2010
- Elpida Memory, Inc.
- Tetsuaki Okahiro
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE OF OPEN BIT LINE TYPE
- Publication number 20100034004
- Publication date Feb 11, 2010
- Elpida Memory, Inc.
- Tetsuaki OKAHIRO
- G11 - INFORMATION STORAGE

Tetsuaki Okahiro

Person

Patents Grantslast 30 patents

Apparatuses and methods for providing driving signals in semiconduc...

Apparatuses and methods for providing driving signals in semiconduc...

Semiconductor memory device of open bit line type

Semiconductor memory device having sense amplifier

Semiconductor device having a memory and calibration circuit that a...

Semiconductor device having a memory and calibration circuit that s...

Semiconductor device having equalizing circuit equalizing pair of b...

Semiconductor device and method of refreshing the same

Semiconductor memory device capable of matching the timing between...

Semiconductor device for performing a refresh operation

Semiconductor device and method of refreshing the same

Semiconductor memory device of open bit line type

Patents Applicationslast 30 patents

APPARATUSES AND METHODS FOR PROVIDING DRIVING SIGNALS IN SEMICONDUC...

APPARATUSES AND METHODS FOR PROVIDING DRIVING SIGNALS IN SEMICONDUC...

SEMICONDUCTOR DEVICE HAVING A MEMORY AND CALIBRATION CIRCUIT THAT S...

SEMICONDUCTOR MEMORY DEVICE HAVING SENSE AMPLIFIER

SEMICONDUCTOR DEVICE FOR PERFORMING A REFRESH OPERATION

SEMICONDUCTOR MEMORY DEVICE PERFORMING PARALLEL TEST OPERATION

SEMICONDUCTOR DEVICE HAVING EQUALIZING CIRCUIT EQUALIZING PAIR OF B...

SEMICONDUCTOR DEVICE AND METHOD OF REFRESHING THE SAME

Semiconductor device having calibration circuit that adjusts an imp...

SEMICONDUCTOR MEMORY DEVICE

SEMICONDUCTOR DEVICE AND METHOD OF REFRESHING THE SAME

SEMICONDUCTOR MEMORY DEVICE OF OPEN BIT LINE TYPE