Keiji YAMAHAI

Follow

Person

Fukuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Alarm notifying system
- Patent number 9,953,499
- Issue date Apr 24, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yuji Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Alarm notifying system
- Patent number 9,652,961
- Issue date May 16, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yuji Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound receiving apparatus, sound receiving method, sound receiving...
- Patent number 9,508,240
- Issue date Nov 29, 2016
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yuji Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic feedback suppression apparatus, microphone apparatus, ampl...
- Patent number 9,031,258
- Issue date May 12, 2015
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Ryosuke Kitago
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ALARM NOTIFYING SYSTEM
- Publication number 20170206760
- Publication date Jul 20, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- Yuji KAWASAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ALARM NOTIFYING SYSTEM
- Publication number 20150317889
- Publication date Nov 5, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- Yuji KAWASAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC FEEDBACK SUPPRESSION APPARATUS, MICROPHONE APPARATUS, AMPL...
- Publication number 20120281855
- Publication date Nov 8, 2012
- PANASONIC CORPORATION
- Ryosuke Kitago
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, RECEIVING APPARATUS AND COMMUNICATION METHOD
- Publication number 20120257762
- Publication date Oct 11, 2012
- PANASONIC CORPORATION
- Yuji Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND RECEIVING APPARATUS, SOUND RECEIVING METHOD, SOUND RECEIVING...
- Publication number 20120038460
- Publication date Feb 16, 2012
- PANASONIC CORPORATION
- Yuji Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS MICROPHONE
- Publication number 20120002975
- Publication date Jan 5, 2012
- PANASONIC CORPORATION
- Yukihiro Nakazawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE