Koichi Ohta

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Four layer semiconductor surge protector having plural short-circui...
- Patent number 5,483,086
- Issue date Jan 9, 1996
- Shindengen Electric Manufacturing Co., Ltd
- Koichi Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor surge suppressor
- Patent number 5,352,905
- Issue date Oct 4, 1994
- Shindengen Electric Manufacturing Co., Ltd
- Koichi Ohta
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DATA COLLECTION DEVICE, SIGNAL GENERATION POSITION IDENTIFICATION S...
- Publication number 20220232511
- Publication date Jul 21, 2022
- OTSL Inc.
- Shoji HATANO
- G01 - MEASURING TESTING