Daisuke Higashihara

Follow

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Resonance frequency determining method, resonance frequency selecti...
- Patent number 7,965,850
- Issue date Jun 21, 2011
- TOA Corporation
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dip filter frequency characteristic decision method
- Patent number 7,787,635
- Issue date Aug 31, 2010
- TOA Corporation
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Howling margin measuring device
- Patent number 7,596,238
- Issue date Sep 29, 2009
- TOA Corporation
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for measuring sound wave propagation time between...
- Patent number 7,260,227
- Issue date Aug 21, 2007
- Etani Electronics Co., Ltd.
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of detecting resonant frequency, method of selecting resonan...
- Patent number 7,249,511
- Issue date Jul 31, 2007
- Toa Corporation
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Howling margin measuring device
- Publication number 20070165893
- Publication date Jul 19, 2007
- TOA CORPORATION
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dip filter frequency characteristic decision method
- Publication number 20060251264
- Publication date Nov 9, 2006
- TOA CORPORATION
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and device for measuring sound wave propagation time between...
- Publication number 20060140414
- Publication date Jun 29, 2006
- TOA CORPORATION
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Resonance frequency sensing method, resonance frequncy selecting me...
- Publication number 20060137454
- Publication date Jun 29, 2006
- TOA CORPORATION
- Daisuke Higashihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE