Ayumi NAKAMURA

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Patents Grantslast 30 patents

Information Patent Grant
Headphone
- Patent number D1034514
- Issue date Jul 9, 2024
- Sony Group Corporation
- Taichi Nokuo
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
SOUND OUTPUT DEVICE
- Publication number 20240430609
- Publication date Dec 26, 2024
- SONY GROUP CORPORATION
- IPPEI TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MASK BLANK SUBSTRATE, SUBSTRATE WITH MULTI-LAYER REFLECTIVE COATING...
- Publication number 20220179304
- Publication date Jun 9, 2022
- HOYA CORPORATION
- Ayumi NAKAMURA
- H01 - BASIC ELECTRIC ELEMENTS