TAKAHIRO HAYASAKA

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Patents Grantslast 30 patents

Information Patent Grant
Speaker apparatus and chair
- Patent number 12,262,187
- Issue date Mar 25, 2025
- Sony Group Corporation
- Atsushi Homma
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Acoustic reflector, speaker unit, and chair
- Patent number 11,950,049
- Issue date Apr 2, 2024
- Sony Group Corporation
- Takahiro Hayasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SPEAKER APPARATUS AND CHAIR
- Publication number 20230209261
- Publication date Jun 29, 2023
- SONY GROUP CORPORATION
- ATSUSHI HOMMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
ACOUSTIC REFLECTOR, SPEAKER UNIT, AND CHAIR
- Publication number 20220225018
- Publication date Jul 14, 2022
- SONY GROUP CORPORATION
- TAKAHIRO HAYASAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE