Yoshifumi Mito

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing polycrystalline silicon fragment and polyc...
- Patent number 11,590,509
- Issue date Feb 28, 2023
- Tokuyama Corporation
- Kazuhiro Kawaguchi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Polycrystalline silicon fragment, method for manufacturing polycrys...
- Patent number 10,307,763
- Issue date Jun 4, 2019
- Tokuyama Corporation
- Kazuhiro Kawaguchi
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CLEANING DEVICE AND CLEANING METHOD
- Publication number 20200122207
- Publication date Apr 23, 2020
- Tokuyama Corporation
- Sou TAKATOU
- B08 - CLEANING
Information Patent Application
Polycrystalline Silicon Fragment, Method for Manufacturing Polycrys...
- Publication number 20190240669
- Publication date Aug 8, 2019
- Tokuyama Corporation
- Kazuhiro Kawaguchi
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Polycrystalline Silicon Fragment, Method for Manufacturing Polycrys...
- Publication number 20170239666
- Publication date Aug 24, 2017
- Tokuyama Corporation
- Kazuhiro Kawaguchi
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...