Yutaka Shirai

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Memory system with semiconductor memory and its data transfer method
- Patent number 8,239,744
- Issue date Aug 7, 2012
- Kabushiki Kaisha Toshiba
- Yutaka Shirai
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device having a plurality of memory chips
- Patent number 7,796,461
- Issue date Sep 14, 2010
- Kabushiki Kaisha Toshiba
- Kazuaki Kawaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 6,552,960
- Issue date Apr 22, 2003
- Kabushiki Kaisha Toshiba
- Yutaka Shirai
- G11 - INFORMATION STORAGE
Information Patent Grant
Counter circuit and semiconductor memory having counter circuit as...
- Patent number 6,078,636
- Issue date Jun 20, 2000
- Kabushiki Kaisha Toshiba
- Yutaka Shirai
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device including an internal power supply circ...
- Patent number 6,021,082
- Issue date Feb 1, 2000
- Kabushiki Kaisha Toshiba
- Yutaka Shirai
- G11 - INFORMATION STORAGE
Information Patent Grant
Intermediate potential generation circuit
- Patent number 5,734,292
- Issue date Mar 31, 1998
- Kabushiki Kaisha Toshiba
- Yutaka Shirai
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
MEMORY SYSTEM WITH SEMICONDUCTOR MEMORY AND ITS DATA TRANSFER METHOD
- Publication number 20090319871
- Publication date Dec 24, 2009
- Yutaka SHIRAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR MEMORY DEVICE AND TEST METHOD THEREOF
- Publication number 20090319840
- Publication date Dec 24, 2009
- Tokumasa Hara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ERROR-CORRECTING SYSTEM OF SEMICONDUCTOR MEMORY, ERROR-CORRECTING M...
- Publication number 20090319863
- Publication date Dec 24, 2009
- Yutaka SHIRAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20080062808
- Publication date Mar 13, 2008
- Kabushiki Kaisha Toshiba
- Kazuaki Kawaguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Semiconductor integrated circuit device
- Publication number 20020179943
- Publication date Dec 5, 2002
- Yutaka Shirai
- G11 - INFORMATION STORAGE