Toshiaki Hayasaka

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for controlling task process and device thereof
- Patent number 4,612,418
- Issue date Sep 16, 1986
- Tamura Electric Works, Ltd.
- Yoshiaki Takeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for controlling the transmission of specific dial numbers
- Patent number 4,246,445
- Issue date Jan 20, 1981
- Tamura Electric Works, Ltd.
- Toshiaki Hayasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE