Koichi Kumagai

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
ACOUSTIC WAVE DEVICE
- Publication number 20240048119
- Publication date Feb 8, 2024
- Sanan Japan Technology Corporation
- Yutaka Kadogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MODULE HAVING ELASTIC WAVE DEVICE
- Publication number 20230059423
- Publication date Feb 23, 2023
- Sanan Japan Technology Corporation
- Hirofumi Nakamura
- H03 - BASIC ELECTRONIC CIRCUITRY