Tatsuhiro Naganawa

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Three-terminal power supply circuit for telephone set
- Patent number 4,319,094
- Issue date Mar 9, 1982
- Nippon Telegraph & Telephone Public Corporation
- Tatsuhiro Naganawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE