Yumi Tanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power generator having an electret for harvesting energy
- Patent number 12,191,088
- Issue date Jan 7, 2025
- Denso Corporation
- Yoshihiro Kozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power generator
- Patent number 12,119,184
- Issue date Oct 15, 2024
- Denso Corporation
- Yoshihiro Kozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electret
- Patent number 11,917,919
- Issue date Feb 27, 2024
- Denso Corporation
- Noriyuki Matsushita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electret
- Patent number 11,915,883
- Issue date Feb 27, 2024
- Denso Corporation
- Noriyuki Matsushita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electret
- Patent number 11,558,694
- Issue date Jan 17, 2023
- Denso Corporation
- Yoshihiro Kozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for and method of detecting operation administration and...
- Patent number 6,700,873
- Issue date Mar 2, 2004
- NEC Corporation
- Toshihiko Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
LAN emulation server changing over method
- Patent number 6,199,033
- Issue date Mar 6, 2001
- NEC Corporation
- Yumi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
POWER GENERATOR
- Publication number 20220392711
- Publication date Dec 8, 2022
- DENSO CORPORATION
- YOSHIHIRO KOZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER GENERATOR
- Publication number 20220384116
- Publication date Dec 1, 2022
- DENSO CORPORATION
- YOSHIHIRO KOZAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRET
- Publication number 20210184100
- Publication date Jun 17, 2021
- DENSO CORPORATION
- Noriyuki MATSUSHITA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRET
- Publication number 20210185451
- Publication date Jun 17, 2021
- DENSO CORPORATION
- Yoshihiro Kozawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRET
- Publication number 20210183584
- Publication date Jun 17, 2021
- DENSO CORPORATION
- Noriyuki Matsushita
- C01 - INORGANIC CHEMISTRY