Yoshikazu Morooka

Person

Itami, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor integrated circuit provided with determination circuit
- Patent number 6,658,639
- Issue date Dec 2, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Yoshikazu Morooka
- G01 - MEASURING TESTING
Information Patent Grant
Memory system having synchronous-link DRAM (SLDRAM) devices and con...
- Patent number 6,442,644
- Issue date Aug 27, 2002
- Advanced Memory International, Inc.
- David B. Gustavson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor memory device having high data input/output frequency...
- Patent number 6,421,291
- Issue date Jul 16, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Naoya Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit module
- Patent number 6,392,897
- Issue date May 21, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Yasunobu Nakase
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device connected to memory controller and memo...
- Patent number 6,304,502
- Issue date Oct 16, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Naoya Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Ninety-degree phase shifter
- Patent number 6,160,434
- Issue date Dec 12, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Tsutomu Yoshimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Synchronous semiconductor memory device employing temporary data ou...
- Patent number 6,101,151
- Issue date Aug 8, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Naoya Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device having controllable supplying capabilit...
- Patent number 5,995,435
- Issue date Nov 30, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Takeshi Hamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Delay locked loop circuit
- Patent number 5,994,934
- Issue date Nov 30, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Tsutomu Yoshimura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clock-synchronous type semiconductor memory device capable of outpu...
- Patent number 5,963,502
- Issue date Oct 5, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Naoya Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Memory system capable of reducing timing skew between clock signal...
- Patent number 5,926,837
- Issue date Jul 20, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Naoya Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor memory device having controllable supplying capabilit...
- Patent number 5,841,705
- Issue date Nov 24, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Takeshi Hamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device having controllable supplying capabilit...
- Patent number 5,699,303
- Issue date Dec 16, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Takeshi Hamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device permitting high speed data transfer and...
- Patent number 5,586,076
- Issue date Dec 17, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Redundancy circuit for repairing defective bits in semiconductor me...
- Patent number 5,574,729
- Issue date Nov 12, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuya Kinoshita
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device carrying out input and output of data i...
- Patent number 5,537,351
- Issue date Jul 16, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Makoto Suwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device providing external output data signal i...
- Patent number 5,481,497
- Issue date Jan 2, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Tadaaki Yamauchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device and method of data transfer therefor
- Patent number 5,481,496
- Issue date Jan 2, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Toshifumi Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Buffer circuit of a semiconductor memory device
- Patent number 5,469,402
- Issue date Nov 21, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Tadaaki Yamauchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Boosting circuit improved to operate in a wider range of power supp...
- Patent number 5,404,329
- Issue date Apr 4, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Tadato Yamagata
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device comprising a test circuit and a method...
- Patent number 5,384,784
- Issue date Jan 24, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Shigeru Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device including a plurality of ce...
- Patent number 5,357,478
- Issue date Oct 18, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Shigeru Kikuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device having multiple memory arrays and inclu...
- Patent number 5,323,348
- Issue date Jun 21, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Shigeru Mori
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having no through current flow in standby period
- Patent number 5,321,654
- Issue date Jun 14, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Miyamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Serial access semiconductor memory device and operating method ther...
- Patent number 5,200,925
- Issue date Apr 6, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Yoshikazu Morooka
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory
- Patent number 4,734,889
- Issue date Mar 29, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Koichiro Mashiko
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamic random access memory with hidden refresh control
- Patent number 4,641,281
- Issue date Feb 3, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Koichiro Mashiko
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Memory system having synchronous-link DRAM (SLDRAM) devices and con...
- Publication number 20030126356
- Publication date Jul 3, 2003
- Advanced Memory International, Inc.
- David B. Gustavson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE HAVING HIGH DATA INPUT/OUTPUT FREQUENCY...
- Publication number 20020041532
- Publication date Apr 11, 2002
- Naoya Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor Integrated circuit provided with determination circuit
- Publication number 20020026623
- Publication date Feb 28, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Yoshikazu Morooka
- G01 - MEASURING TESTING

Yoshikazu Morooka

Person

Patents Grantslast 30 patents

Semiconductor integrated circuit provided with determination circuit

Memory system having synchronous-link DRAM (SLDRAM) devices and con...

Semiconductor memory device having high data input/output frequency...

Circuit module

Semiconductor memory device connected to memory controller and memo...

Ninety-degree phase shifter

Synchronous semiconductor memory device employing temporary data ou...

Semiconductor memory device having controllable supplying capabilit...

Delay locked loop circuit

Clock-synchronous type semiconductor memory device capable of outpu...

Memory system capable of reducing timing skew between clock signal...

Semiconductor memory device having controllable supplying capabilit...

Semiconductor memory device having controllable supplying capabilit...

Semiconductor memory device permitting high speed data transfer and...

Redundancy circuit for repairing defective bits in semiconductor me...

Semiconductor memory device carrying out input and output of data i...

Semiconductor memory device providing external output data signal i...

Semiconductor memory device and method of data transfer therefor

Buffer circuit of a semiconductor memory device

Boosting circuit improved to operate in a wider range of power supp...

Semiconductor memory device comprising a test circuit and a method...

Semiconductor integrated circuit device including a plurality of ce...

Semiconductor memory device having multiple memory arrays and inclu...

Semiconductor device having no through current flow in standby period

Serial access semiconductor memory device and operating method ther...

Semiconductor memory

Dynamic random access memory with hidden refresh control

Patents Applicationslast 30 patents

Memory system having synchronous-link DRAM (SLDRAM) devices and con...

SEMICONDUCTOR MEMORY DEVICE HAVING HIGH DATA INPUT/OUTPUT FREQUENCY...

Semiconductor Integrated circuit provided with determination circuit