Inventor

OKAYASU RYOICHI

2 patents

Patents

2 patents

US5726611AMar 10, 1998

EMC filter for a balanced multi-wired telecommunication line with bifilar windings

NIPPON TELEGRAPH & TELEPHONE44 citations85

US3952166AApr 20, 1976

Loudspeaking telephone circuit

NIPPON TELEGRAPH & TELEPHONE20 citations77