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Tetsuro OKADA
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Niigata, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polycrystalline silicon rod
Patent number
12,162,762
Issue date
Dec 10, 2024
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for manufacturing polysilicon rod
Patent number
11,673,809
Issue date
Jun 13, 2023
Shin-Etsu Chemical Co., Ltd.
Tetsuro Okada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus for manufacturing polysilicon rod
Patent number
11,639,293
Issue date
May 2, 2023
Shin-Etsu Chemical Co., Ltd.
Tetsuro Okada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Polycrystalline silicon manufacturing apparatus
Patent number
11,519,069
Issue date
Dec 6, 2022
Shin-Etsu Chemical Co., Ltd.
Tetsuro Okada
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for preventing contamination of base plate
Patent number
11,505,862
Issue date
Nov 22, 2022
Shin-Etsu Chemical Co., Ltd.
Tetsuro Okada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Polycrystalline silicon bar, polycrystalline silicon rod, and manuf...
Patent number
11,345,603
Issue date
May 31, 2022
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Polycrystalline silicon manufacturing apparatus
Patent number
11,326,257
Issue date
May 10, 2022
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Polycrystalline silicon rod and method for producing polycrystallin...
Patent number
11,242,620
Issue date
Feb 8, 2022
Shin-Etsu Chemical Co., Ltd.
Shuichi Miyao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Reaction furnace for producing polycrystalline silicon, apparatus f...
Patent number
10,870,581
Issue date
Dec 22, 2020
Shin-Etsu Chemical Co., Ltd.
Shigeyoshi Netsu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Polycrystalline silicon rod, method for producing polycrystalline s...
Patent number
10,865,498
Issue date
Dec 15, 2020
Shin-Etsu Chemical Co., Ltd.
Shuichi Miyao
C30 - CRYSTAL GROWTH
Information
Patent Grant
Reaction furnace for producing polycrystalline silicon, apparatus f...
Patent number
10,858,258
Issue date
Dec 8, 2020
Shin-Etsu Chemical Co., Ltd.
Shigeyoshi Netsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Polycrystalline silicon ingot, polycrystalline silicon bar, and met...
Patent number
10,760,180
Issue date
Sep 1, 2020
Shin-Etsu Chemical Co., Ltd.
Shuichi Miyao
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production method for polycrystalline silicon, and reactor for poly...
Patent number
9,394,606
Issue date
Jul 19, 2016
Shin-Etsu Chemical Co., Ltd.
Yasushi Kurosawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
POLYCRYSTALLINE SILICON ROD AND PROCESS OF MANUFACTURING POLYCRYSTA...
Publication number
20230339764
Publication date
Oct 26, 2023
Shin-Etsu Chemical Co., Ltd.
Tetsuro Okada
C01 - INORGANIC CHEMISTRY
Information
Patent Application
APPARATUS FOR MANUFACTURING POLYSILICON ROD AND METHOD FOR MANUFACT...
Publication number
20230002238
Publication date
Jan 5, 2023
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C01 - INORGANIC CHEMISTRY
Information
Patent Application
POLYCRYSTALLINE SILICON ROD
Publication number
20220033267
Publication date
Feb 3, 2022
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C01 - INORGANIC CHEMISTRY
Information
Patent Application
APPARATUS FOR MANUFACTURING POLYSILICON ROD
Publication number
20220002164
Publication date
Jan 6, 2022
Shin-Etsu Chemical Co. Ltd.
Tetsuro OKADA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREVENTING CONTAMINATION OF BASE PLATE
Publication number
20210285099
Publication date
Sep 16, 2021
Shin-Etsu Chemical Co., Ltd.
Tetsuro Okada
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD OF MANUFACTURING POLYCRYSTALLINE SILICON ROD
Publication number
20200392627
Publication date
Dec 17, 2020
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SILICON CORE WIRE
Publication number
20200331764
Publication date
Oct 22, 2020
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C01 - INORGANIC CHEMISTRY
Information
Patent Application
POLYCRYSTALLINE SILICON MANUFACTURING APPARATUS
Publication number
20200263304
Publication date
Aug 20, 2020
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
APPARATUS FOR PRODUCING POLYCRYSTALLINE SILICON AND POLYCRYSTALLINE...
Publication number
20200263293
Publication date
Aug 20, 2020
Shin-Etsu Chemical Co., Ltd.
Tetsuro Okada
C01 - INORGANIC CHEMISTRY
Information
Patent Application
REACTION FURNACE FOR PRODUCING POLYCRYSTALLINE SILICON, APPARATUS F...
Publication number
20200239320
Publication date
Jul 30, 2020
Shin-Etsu Chemical Co., Ltd.
Shigeyoshi NETSU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
POLYCRYSTALLINE SILICON BAR, POLYCRYSTALLINE SILICON ROD, AND MANUF...
Publication number
20200231450
Publication date
Jul 23, 2020
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C01 - INORGANIC CHEMISTRY
Information
Patent Application
POLYCRYSTALLINE SILICON ROD
Publication number
20190367374
Publication date
Dec 5, 2019
Shin-Etsu Chemical Co., Ltd.
Naruhiro Hoshino
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Polycrystalline silicon rod, method for producing polycrystalline s...
Publication number
20190078230
Publication date
Mar 14, 2019
Shin-Etsu Chemical Co., Ltd.
Shuichi MIYAO
C01 - INORGANIC CHEMISTRY
Information
Patent Application
POLYCRYSTALLINE SILICON ROD AND METHOD FOR PRODUCING POLYCRYSTALLIN...
Publication number
20190017193
Publication date
Jan 17, 2019
Shin-Etsu Chemical Co., Ltd.
Shuichi Miyao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
POLYCRYSTALLINE SILICON INGOT, POLYCRYSTALLINE SILICON BAR, AND MET...
Publication number
20180105950
Publication date
Apr 19, 2018
Shin-Etsu Chemical Co., Ltd.
Shuichi Miyao
C30 - CRYSTAL GROWTH
Information
Patent Application
REACTION FURNACE FOR PRODUCING POLYCRYSTALLINE SILICON, APPARATUS F...
Publication number
20170225957
Publication date
Aug 10, 2017
Shin-Etsu Chemical Co., Ltd.
Shigeyoshi NETSU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SILICON CORE WIRE FOR PRODUCING POLYCRYSTALLINE SILICON ROD, AND DE...
Publication number
20170158517
Publication date
Jun 8, 2017
Shin-Etsu Chemical Co., Ltd.
Shuji TANAKA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYCRYSTALLINE SILICON ROD, METHOD FOR PRODUCING POLYCRYSTALLINE S...
Publication number
20170058427
Publication date
Mar 2, 2017
Shin-Etsu Chemical Co., Ltd.
Shuichi MIYAO
C30 - CRYSTAL GROWTH
Information
Patent Application
PRODUCTION METHOD FOR POLYCRYSTALLINE SILICON, AND REACTOR FOR POLY...
Publication number
20140302239
Publication date
Oct 9, 2014
Shin-Etsu Chemical Co., Ltd.
Yasushi Kurosawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...