Eiichi Iwanami

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor optical-reading device
- Patent number 5,045,686
- Issue date Sep 3, 1991
- Seiko Instruments Inc.
- Eiichi Iwanami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductive photodetection device having coplanar circuit compon...
- Patent number 4,906,856
- Issue date Mar 6, 1990
- Seiko Instruments Inc.
- Eiichi Iwanami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Read only memory using static induction transistor
- Patent number 4,400,797
- Issue date Aug 23, 1983
- Kabushiki Kaisha Daini Seikosha
- Eiichi Iwanami
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor device
- Patent number 4,284,999
- Issue date Aug 18, 1981
- Kabushiki Kaisha Daini Seikosha
- Eiichi Iwanami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electronic circuit for a timepiece
- Patent number 4,278,899
- Issue date Jul 14, 1981
- Kabushiki Kaisha Daini Seikosha
- Eiichi Iwanami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High frequency oscillating circuit using AT cut quartz crystal vibr...
- Patent number 4,215,322
- Issue date Jul 29, 1980
- Kabushiki Kaisha Daini Seikosha
- Eiichi Iwanami
- H03 - BASIC ELECTRONIC CIRCUITRY