Hiroaki Oikawa

Follow

Person

Ichikawa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Waterproof keyboard
- Patent number 7,012,206
- Issue date Mar 14, 2006
- Keytec Corporation
- Hiroaki Oikawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Waterproof keyboard
- Publication number 20050224326
- Publication date Oct 13, 2005
- KEYTEC Corporation
- Hiroaki Oikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Flexibly designable keyboard and a method of producing the same
- Publication number 20020097171
- Publication date Jul 25, 2002
- Hiroaki Oikawa
- H01 - BASIC ELECTRIC ELEMENTS