Hitoo Iwasa

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Takatsuki, JA

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Patents Grantslast 30 patents

Information Patent Grant
Negative-resistance semiconductor device
- Patent number 4,064,525
- Issue date Dec 20, 1977
- Matsushita Electric Industrial Co., Ltd.
- Gota Kano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus to prevent overcurrent or overvoltage
- Patent number 3,992,650
- Issue date Nov 16, 1976
- Matsushita Electric Industrial Co., Ltd.
- Hitoo Iwasa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Touch-operation switch
- Patent number 3,991,329
- Issue date Nov 9, 1976
- Matsushita Electric Industrial Co., Ltd.
- Hitoo Iwasa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage drop warning apparatus with negative-resistance device
- Patent number 3,969,697
- Issue date Jul 13, 1976
- Matsushita Electric Industrial Co., Ltd.
- Hitoo Iwasa
- G01 - MEASURING TESTING
Information Patent Grant
Optical remote control apparatus employing light scattering plate
- Patent number 3,937,949
- Issue date Feb 10, 1976
- Matsushita Electronics Corporation
- Kiyotsugu Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE