Inventor
MIYAGAWA SHOZO
JP5 patents
Patents
5 patentsUS5533101AJul 2, 1996
Extension phone type cordless telephone set
ROHM CO LTD59 citations93
US6931266B2Aug 16, 2005
Cellular phone in which memory is removably installable due to the removability of battery, and battery recharger capable of supporting date write to cellular phone memory
ROHM CO LTD65 citations91
US5425079AJun 13, 1995
Telephone power interruption data backup apparatus
ROHM CO LTD29 citations91
US5029203AJul 2, 1991
Side tone preventive circuit for telephone
ROHM CO LTD12 citations72
US5400404AMar 21, 1995
Modulation/demodulation circuit and communication system utilizing the same
ROHM CO LTD1 citations49