Inventor · disambiguated record
Ryuuichi Ishige
Also filed as: ISHIGE RYUUICHI
8 granted patents·632 citations·filing 1996–1997
91Inventor score
Technology areasH04R
Files withNEC CORP8
Top patents by PatentIndex Score
8 records- 0191US6330339B1Hearing aidNEC CORP·Filed 1996·Granted Dec 11, 2001·157 cites·19 claims
- 0290US6094489ADigital hearing aid and its hearing sense compensation processing methodNEC CORP·Filed 1997·Granted Jul 25, 2000·135 cites·14 claims
- 0381US5852668AHearing aid for controlling hearing sense compensation with suitable parameters internally tailoredNEC CORP·Filed 1996·Granted Dec 22, 1998·88 cites·12 claims
- 0479US5835610AHearing air systemNEC CORP·Filed 1996·Granted Nov 10, 1998·74 cites·8 claims
- 0571US6023517ADigital hearing aidNEC CORP·Filed 1997·Granted Feb 8, 2000·51 cites·6 claims
- 0668US5892836ADigital hearing aidNEC CORP·Filed 1996·Granted Apr 6, 1999·45 cites·18 claims
- 0767US5910997ADigitally programmable hearing aid communicable with external apparatus through acoustic signalNEC CORP·Filed 1996·Granted Jun 8, 1999·45 cites·12 claims
- 0863US5838801ADigital hearing aidNEC CORP·Filed 1997·Granted Nov 17, 1998·37 cites·8 claims
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