Makoto Yokoyama

Follow

Person

Seto, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sound transmission method for data way system
- Patent number 4,827,256
- Issue date May 2, 1989
- Kawamura Electric Industry Co., Ltd.
- Makoto Yokoyama
- G08 - SIGNALLING
Information Patent Grant
Optical fiber data link system
- Patent number 4,742,572
- Issue date May 3, 1988
- Kawamura Electric Industry Co., Ltd.
- Makoto Yokoyama
- G08 - SIGNALLING
Information Patent Grant
Optical pulse receiving device
- Patent number 4,692,687
- Issue date Sep 8, 1987
- Kawamura Electric Industry Co., Ltd.
- Makoto Yokoyama
- H03 - BASIC ELECTRONIC CIRCUITRY