Takeshi Nakaichi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Foreign language learning apparatus
- Patent number 8,057,234
- Issue date Nov 15, 2011
- Hiroshi Rikimaru
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Hearing processing method and hearing aid using the same
- Patent number 7,844,058
- Issue date Nov 30, 2010
- Rion Co., Ltd.
- Mikio Tohyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for estimating auditory filter shape
- Patent number 7,048,692
- Issue date May 23, 2006
- Rion Co., Ltd.
- Takeshi Nakaichi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of measuring frequency selectivity, and method and apparatus...
- Patent number 6,582,378
- Issue date Jun 24, 2003
- Rion Co., Ltd.
- Takeshi Nakaichi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Foreign language learning apparatus
- Publication number 20070009864
- Publication date Jan 11, 2007
- Rion Co., Ltd.
- Hiroshi Rikimaru
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Hearing processing method and hearing aid using the same
- Publication number 20060222193
- Publication date Oct 5, 2006
- Rion Co., Ltd.
- Mikio Tohyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of measuring frequency selectivity, and method and apparatus...
- Publication number 20040015099
- Publication date Jan 22, 2004
- Rion Co., Ltd.
- Takeshi Nakaichi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE