Shimpei Iijima

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Akishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor memory device having static random access memory
- Patent number 5,296,729
- Issue date Mar 22, 1994
- Hitachi, Ltd.
- Toshiaki Yamanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing semiconductor device
- Patent number 5,227,329
- Issue date Jul 13, 1993
- Hitachi, Ltd.
- Takashi Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having a low-resistivity planar wiring structure
- Patent number 5,200,635
- Issue date Apr 6, 1993
- Hitachi, Ltd.
- Toru Kaga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transistor with overlapping gate/drain and two-layered gate structures
- Patent number 5,053,849
- Issue date Oct 1, 1991
- Hitachi, Ltd.
- Ryuichi Izawa
- H01 - BASIC ELECTRIC ELEMENTS