Ryuuichi Ishige

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hearing aid
- Patent number 6,330,339
- Issue date Dec 11, 2001
- NEC Corporation
- Ryuuichi Ishige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital hearing aid and its hearing sense compensation processing m...
- Patent number 6,094,489
- Issue date Jul 25, 2000
- NEC Corporation
- Ryuuichi Ishige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital hearing aid
- Patent number 6,023,517
- Issue date Feb 8, 2000
- NEC Corporation
- Ryuuichi Ishige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digitally programmable hearing aid communicable with external appar...
- Patent number 5,910,997
- Issue date Jun 8, 1999
- NEC Corporation
- Ryuuichi Ishige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital hearing aid
- Patent number 5,892,836
- Issue date Apr 6, 1999
- NEC Corporation
- Ryuuichi Ishige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid for controlling hearing sense compensation with suitabl...
- Patent number 5,852,668
- Issue date Dec 22, 1998
- NEC Corporation
- Ryuuichi Ishige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital hearing aid
- Patent number 5,838,801
- Issue date Nov 17, 1998
- NEC Corporation
- Ryuuichi Ishige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing air system
- Patent number 5,835,610
- Issue date Nov 10, 1998
- NEC Corporation
- Ryuuichi Ishige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Ryuuichi Ishige

Person

Patents Grantslast 30 patents

Hearing aid

Digital hearing aid and its hearing sense compensation processing m...

Digital hearing aid

Digitally programmable hearing aid communicable with external appar...

Digital hearing aid

Hearing aid for controlling hearing sense compensation with suitabl...

Digital hearing aid

Hearing air system