Inventor
ISHIGE RYUUICHI
JP8 patents
Patents
8 patentsUS6330339B1Dec 11, 2001
Hearing aid
NEC CORP157 citations98
US6094489AJul 25, 2000
Digital hearing aid and its hearing sense compensation processing method
NEC CORP135 citations96
US5852668ADec 22, 1998
Hearing aid for controlling hearing sense compensation with suitable parameters internally tailored
NEC CORP88 citations95
US5835610ANov 10, 1998
Hearing air system
NEC CORP74 citations95
US5910997AJun 8, 1999
Digitally programmable hearing aid communicable with external apparatus through acoustic signal
NEC CORP45 citations92
US5892836AApr 6, 1999
Digital hearing aid
NEC CORP45 citations92
US6023517AFeb 8, 2000
Digital hearing aid
NEC CORP51 citations91
US5838801ANov 17, 1998
Digital hearing aid
NEC CORP37 citations91