KOICHI NAKAYAMA

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker, electronic apparatus using same, and mobile apparatus
- Patent number 9,813,820
- Issue date Nov 7, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takafumi Yuasa
- G02 - OPTICS
Information Patent Grant
Loudspeaker
- Patent number 9,756,426
- Issue date Sep 5, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Hiroko Tsutsumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker, electronic apparatus using loudspeaker, and mobile equ...
- Patent number 9,628,916
- Issue date Apr 18, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takafumi Yuasa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Loudspeaker, electronic apparatus using loudspeaker, and mobile equ...
- Patent number 9,596,545
- Issue date Mar 14, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takafumi Yuasa
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
LOUDSPEAKER, ELECTRONIC APPARATUS USING SAME, AND MOBILE APPARATUS
- Publication number 20160286318
- Publication date Sep 29, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- Takafumi YUASA
- G02 - OPTICS
Information Patent Application
LOUDSPEAKER, ELECTRONIC APPARATUS USING LOUDSPEAKER, AND MOBILE EQU...
- Publication number 20160234601
- Publication date Aug 11, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- Takafumi YUASA
- G02 - OPTICS
Information Patent Application
LOUDSPEAKER
- Publication number 20160219371
- Publication date Jul 28, 2016
- Panasonic Intellectual Property Management Co., Ltd.
- HIROKO TSUTSUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE