YUUKI IZUMI

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Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker device and movable-body apparatus equipped with same
- Patent number 10,531,170
- Issue date Jan 7, 2020
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yoshimichi Kajihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker magnetic circuit and loudspeaker equipped with same
- Patent number 10,104,475
- Issue date Oct 16, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Yuuki Izumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SUB CONE AND LOUDSPEAKER
- Publication number 20230345179
- Publication date Oct 26, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Yoshitaka KAWASHIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER
- Publication number 20230156384
- Publication date May 18, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Hiroyuki MORIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE AND MOVING BODY DEVICE WITH SAME MOUNTED THEREON
- Publication number 20190200110
- Publication date Jun 27, 2019
- Panasonic Intellectual Property Management Co., Lt
- YOSHIMICHI KAJIHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER MAGNETIC CIRCUIT AND LOUDSPEAKER EQUIPPED WITH SAME
- Publication number 20170230755
- Publication date Aug 10, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- YUUKI IZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE