Takafumi Takatsuka

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fully-hidden refresh dynamic random access memory
- Patent number 7,145,832
- Issue date Dec 5, 2006
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Fully-hidden refresh dynamic random access memory
- Patent number 7,061,828
- Issue date Jun 13, 2006
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Fully-hidden refresh dynamic random access memory
- Patent number 6,956,758
- Issue date Oct 18, 2005
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Fully hidden refresh dynamic random access memory
- Patent number 6,891,770
- Issue date May 10, 2005
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Fully-hidden refresh dynamic random access memory
- Patent number 6,859,415
- Issue date Feb 22, 2005
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Fully hidden refresh dynamic random access memory
- Patent number 6,813,211
- Issue date Nov 2, 2004
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Output buffer circuit with power supply voltages different from a p...
- Patent number 6,798,236
- Issue date Sep 28, 2004
- Renesas Technology Corp.
- Tadayuki Shimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device
- Patent number 6,744,679
- Issue date Jun 1, 2004
- Renesas Technology Corp.
- Hirotoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit
- Patent number 6,714,047
- Issue date Mar 30, 2004
- Renesas Technology Corp.
- Tadayuki Shimizu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor memory device equipped with refresh timing signal gen...
- Patent number 6,693,838
- Issue date Feb 17, 2004
- Renesas Technology Corp.
- Tsukasa Hagura
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device allowing easy characteristics evaluation
- Patent number 6,501,693
- Issue date Dec 31, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Fully-hidden refresh dynamic random access memory
- Publication number 20060203607
- Publication date Sep 14, 2006
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Fully-hidden refresh dynamic random access memory
- Publication number 20060050587
- Publication date Mar 9, 2006
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Fully-hidden refresh dynamic random access memory
- Publication number 20050141337
- Publication date Jun 30, 2005
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Fully hidden refresh dynamic random access memory
- Publication number 20050018529
- Publication date Jan 27, 2005
- Renesas Technology Corp.
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE EQUIPPED WITH REFRESH TIMING SIGNAL GEN...
- Publication number 20030198117
- Publication date Oct 23, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tsukasa Hagura
- G11 - INFORMATION STORAGE
Information Patent Application
Fully hidden refresh dynamic random access memory
- Publication number 20030198090
- Publication date Oct 23, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor integrated circuit
- Publication number 20030193349
- Publication date Oct 16, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tadayuki Shimizu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor integrated circuit
- Publication number 20030193084
- Publication date Oct 16, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tadayuki Shimizu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor device and semiconductor packaging device
- Publication number 20030183926
- Publication date Oct 2, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Tadayuki Shimizu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Fully-hidden refresh dynamic random access memory
- Publication number 20030185079
- Publication date Oct 2, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor memory device
- Publication number 20030185060
- Publication date Oct 2, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Hirotoshi Sato
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE ALLOWING EASY CHARACTERISTICS EVALUATION
- Publication number 20020176295
- Publication date Nov 28, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Takafumi Takatsuka
- G11 - INFORMATION STORAGE

Takafumi Takatsuka

Person

Patents Grantslast 30 patents

Fully-hidden refresh dynamic random access memory

Fully-hidden refresh dynamic random access memory

Fully-hidden refresh dynamic random access memory

Fully hidden refresh dynamic random access memory

Fully-hidden refresh dynamic random access memory

Fully hidden refresh dynamic random access memory

Output buffer circuit with power supply voltages different from a p...

Semiconductor memory device

Semiconductor integrated circuit

Semiconductor memory device equipped with refresh timing signal gen...

Semiconductor memory device allowing easy characteristics evaluation

Patents Applicationslast 30 patents

Fully-hidden refresh dynamic random access memory

Fully-hidden refresh dynamic random access memory

Fully-hidden refresh dynamic random access memory

Fully hidden refresh dynamic random access memory

SEMICONDUCTOR MEMORY DEVICE EQUIPPED WITH REFRESH TIMING SIGNAL GEN...

Fully hidden refresh dynamic random access memory

Semiconductor integrated circuit

Semiconductor integrated circuit

Semiconductor device and semiconductor packaging device

Fully-hidden refresh dynamic random access memory

Semiconductor memory device

SEMICONDUCTOR MEMORY DEVICE ALLOWING EASY CHARACTERISTICS EVALUATION