Hiroshi Yamagata

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Unidirectional microphone
- Patent number 11,503,402
- Issue date Nov 15, 2022
- Hosiden Corporation
- Hiroshi Yamagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone
- Patent number 8,879,752
- Issue date Nov 4, 2014
- Hosiden Corporation
- Hiroyuki Harano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Unidirectional microphone
- Patent number 8,724,839
- Issue date May 13, 2014
- Hosiden Corporation
- Hiroyuki Harano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Condenser microphone
- Patent number 8,391,531
- Issue date Mar 5, 2013
- Hosiden Corporation
- Hiroyuki Harano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone
- Patent number 7,171,012
- Issue date Jan 30, 2007
- Hosiden Corporation
- Toshiro Izuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
UNIDIRECTIONAL MICROPHONE
- Publication number 20210400378
- Publication date Dec 23, 2021
- HOSIDEN CORPORATION
- Hiroshi YAMAGATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MICROPHONE
- Publication number 20130010981
- Publication date Jan 10, 2013
- HOSIDEN CORPORATION
- Hiroyuki Harano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Unidirectional Microphone
- Publication number 20120195453
- Publication date Aug 2, 2012
- HOSIDEN CORPORATION
- Hiroyuki Harano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Condenser Microphone
- Publication number 20110002483
- Publication date Jan 6, 2011
- HOSIDEN CORPORATION
- Hiroyuki Harano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Microphone
- Publication number 20040109579
- Publication date Jun 10, 2004
- Toshiro Izuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE