Inventor

YOSHIMARU TAKUSHI

JP3 patents

Patents

3 patents

US5396269AMar 7, 1995

Television telephone

HITACHI LTD66 citations95

US5966164AOct 12, 1999

Television telephone

HITACHI LTD25 citations91

US5677727AOct 14, 1997

Television telephone

HITACHI LTD34 citations91