Kazuhiro Sawada

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 5,153,699
- Issue date Oct 6, 1992
- Kabushiki Kaisha Toshiba
- Tsukasa Shirotori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dynamic read/write memory with improved refreshing operation
- Patent number 4,984,208
- Issue date Jan 8, 1991
- Kabushiki Kaisha Toshiba
- Kazuhiro Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Virtual type static semiconductor memory device including refresh d...
- Patent number 4,939,695
- Issue date Jul 3, 1990
- Kabushiki Kaisha Toshiba
- Mitsuo Isobe
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory control circuit
- Patent number 4,827,453
- Issue date May 2, 1989
- Kabushiki Kaisha Toshiba
- Kazuhiro Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Intermediate potential generating circuit
- Patent number 4,812,735
- Issue date Mar 14, 1989
- Kabushiki Kaisha Toshiba
- Kazuhiro Sawada
- G05 - CONTROLLING REGULATING
Information Patent Grant
Refresh operation control circuit for semiconductor device
- Patent number 4,757,217
- Issue date Jul 12, 1988
- Kabushiki Kaisha Toshiba
- Kazuhiro Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device
- Patent number 4,587,638
- Issue date May 6, 1986
- Micro-Computer Engineering Corporation
- Mitsuo Isobe
- G11 - INFORMATION STORAGE