Kouki HIRAO

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Higashihiroshima-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker disposition structure of vehicle
- Patent number 11,745,668
- Issue date Sep 5, 2023
- Mazda Motor Corporation
- Kiyoshi Mutsura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Speaker disposition structure of vehicle
- Patent number 11,535,171
- Issue date Dec 27, 2022
- Mazda Motor Corporation
- Kiyoshi Mutsura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Speaker mounting structure to front pillar in vehicle and method of...
- Patent number 10,717,394
- Issue date Jul 21, 2020
- Mazda Motor Corporation
- Yasunori Baba
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SPEAKER DISPOSITION STRUCTURE OF VEHICLE
- Publication number 20220089099
- Publication date Mar 24, 2022
- MAZDA MOTOR CORPORATION
- Kiyoshi MUTSURA
- B60 - VEHICLES IN GENERAL
Information Patent Application
SPEAKER DISPOSITION STRUCTURE OF VEHICLE
- Publication number 20220089098
- Publication date Mar 24, 2022
- MAZDA MOTOR CORPORATION
- Kiyoshi MUTSURA
- B60 - VEHICLES IN GENERAL
Information Patent Application
SPEAKER MOUNTING STRUCTURE TO FRONT PILLAR IN VEHICLE AND METHOD OF...
- Publication number 20190256010
- Publication date Aug 22, 2019
- MAZDA MOTOR CORPORATION
- Yasunori BABA
- B60 - VEHICLES IN GENERAL