Tokumasa Yasui

Person

Kodaira, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor memory having a polycrystalline silicon load resistor...
- Patent number 5,446,689
- Issue date Aug 29, 1995
- Hitachi, Ltd.
- Tokumasa Yasui
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory having polycrystalline silicon load resistors...
- Patent number 5,359,562
- Issue date Oct 25, 1994
- Hitachi, Ltd.
- Tokumasa Yasui
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device and fabrication process thereof
- Patent number 4,712,192
- Issue date Dec 8, 1987
- Hitachi, Ltd.
- Nobuyoshi Tanimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory
- Patent number 4,564,925
- Issue date Jan 14, 1986
- Hitachi, Ltd.
- Yoshiaki Onishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making semiconductor memory device
- Patent number 4,554,729
- Issue date Nov 26, 1985
- Hitachi, Ltd.
- Nobuyoshi Tanimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Static memory
- Patent number 4,507,759
- Issue date Mar 26, 1985
- Hitachi, Ltd.
- Tokumasa Yasui
- G11 - INFORMATION STORAGE
Information Patent Grant
Memory circuit with increased operating speed
- Patent number 4,300,213
- Issue date Nov 10, 1981
- Hitachi, Ltd.
- Nobuyoshi Tanimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device
- Patent number 4,261,004
- Issue date Apr 7, 1981
- Hitachi, Ltd.
- Toshiaki Masuhara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for fabrication of offset gate MIS device
- Patent number 4,258,465
- Issue date Mar 31, 1981
- Hitachi, Ltd.
- Tokumasa Yasui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Interconnection structure for semiconductor integrated circuits
- Patent number 4,199,778
- Issue date Apr 22, 1980
- Hitachi, Ltd.
- Toshiaki Masuhara
- H01 - BASIC ELECTRIC ELEMENTS

Tokumasa Yasui

Person

Patents Grantslast 30 patents

Semiconductor memory having a polycrystalline silicon load resistor...

Semiconductor memory having polycrystalline silicon load resistors...

Semiconductor memory device and fabrication process thereof

Semiconductor memory

Method of making semiconductor memory device

Static memory

Memory circuit with increased operating speed

Semiconductor device

Method for fabrication of offset gate MIS device

Interconnection structure for semiconductor integrated circuits