Katsushi Fujii

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Air-cleaning device
- Patent number 11,530,834
- Issue date Dec 20, 2022
- SHARP KABUSHIKI KAISHA
- Katsushi Fujii
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
AIR-CLEANING DEVICE
- Publication number 20200033020
- Publication date Jan 30, 2020
- SHARP KABUSHIKI KAISHA
- KATSUSHI FUJII
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ION GENERATING APPARATUS
- Publication number 20120068080
- Publication date Mar 22, 2012
- Katsushi Fujii
- F24 - HEATING RANGES VENTILATING