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Hitoshi Nagayama
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Zirconia sintered body and production method thereof
Patent number
11,746,055
Issue date
Sep 5, 2023
Tosoh Corporation
Akiko Ito
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Zirconia sintered body and production method thereof
Patent number
11,479,511
Issue date
Oct 25, 2022
Tosoh Corporation
Akiko Ito
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Pink zirconia sintered body and manufacturing method of the same
Patent number
11,124,457
Issue date
Sep 21, 2021
Tosoh Corporation
Hitoshi Nagayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Zirconia sintered body and manufacturing method of the same
Patent number
10,858,293
Issue date
Dec 8, 2020
Tosoh Corporation
Hitoshi Nagayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sintered body, sputtering target and molding die, and process for p...
Patent number
9,920,420
Issue date
Mar 20, 2018
Tosoh Corporation
Kenichi Itoh
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Zirconia sintered body and use thereof
Patent number
9,919,971
Issue date
Mar 20, 2018
Tosoh Corporation
Hitoshi Nagayama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sintered body, sputtering target and molding die, and process for p...
Patent number
8,419,400
Issue date
Apr 16, 2013
Tosoh Corporation
Kenichi Itoh
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High toughness translucent alumina sintered body, method for produc...
Patent number
7,888,279
Issue date
Feb 15, 2011
Tosoh Corporation
Koji Tsukuma
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Thickness control method and double side polisher
Patent number
7,147,541
Issue date
Dec 12, 2006
SPEEDFAM Co., Ltd.
Hitoshi Nagayama
B24 - GRINDING POLISHING
Information
Patent Grant
Thickness control method and double side polisher
Patent number
7,137,867
Issue date
Nov 21, 2006
Speedfam Co., Ltd.
Hitoshi Nagayama
B24 - GRINDING POLISHING
Information
Patent Grant
Work planarizing method and apparatus
Patent number
6,039,638
Issue date
Mar 21, 2000
Speedfam Co., Ltd.
Hitoshi Nagayama
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
Information
Patent Application
POWDER COMPOSITION
Publication number
20240101483
Publication date
Mar 28, 2024
TOSOH CORPORATION
Sho AZECHI
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
COLORED SINTERED BODY AND METHOD FOR PRODUCING THE SAME
Publication number
20230391674
Publication date
Dec 7, 2023
TOSOH CORPORATION
Hitoshi NAGAYAMA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
ZIRCONIA SINTERED BODY AND PRODUCTION METHOD THEREOF
Publication number
20230028313
Publication date
Jan 26, 2023
TOSOH CORPORATION
Akiko ITO
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SINTERED BODY WITH HIGH IMPACT RESISTANCE
Publication number
20230014792
Publication date
Jan 19, 2023
TOSOH CORPORATION
Taku FUKIAGE
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SINTERED BODY
Publication number
20220332649
Publication date
Oct 20, 2022
TOSOH CORPORATION
Kenta KAWAMURA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
ZIRCONIA SINTERED BODY AND METHOD FOR PRODUCING THE SAME
Publication number
20210403387
Publication date
Dec 30, 2021
TOSOH CORPORATION
Satoshi TSUCHIYA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
ZIRCONIA SINTERED BODY AND PRODUCTION METHOD THEREOF
Publication number
20210101838
Publication date
Apr 8, 2021
TOSOH CORPORATION
Akiko ITO
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
PINK ZIRCONIA SINTERED BODY AND MANUFACTURING METHOD OF THE SAME
Publication number
20200262759
Publication date
Aug 20, 2020
TOSOH CORPORATION
Hitoshi NAGAYAMA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
ZIRCONIA SINTERED BODY AND MANUFACTURING METHOD OF THE SAME
Publication number
20190300438
Publication date
Oct 3, 2019
TOSOH CORPORATION
Hitoshi NAGAYAMA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
ZIRCONIA SINTERED BODY AND USE THEREOF
Publication number
20160347666
Publication date
Dec 1, 2016
TOSOH CORPORATION
Hitoshi NAGAYAMA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SINTERED BODY, SPUTTERING TARGET AND MOLDING DIE, AND PROCESS FOR P...
Publication number
20150368791
Publication date
Dec 24, 2015
TOSOH CORPORATION
Kenichi ITOH
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SINTERED BODY, SPUTTERING TARGET AND MOLDING DIE, AND PROCESS FOR P...
Publication number
20130213801
Publication date
Aug 22, 2013
Kenichi ITOH
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
High toughness translucent alumina sintered body, method for produc...
Publication number
20090111067
Publication date
Apr 30, 2009
TOSOH CORPORATION
Koji Tsukuma
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Sintered Body, Sputtering Target and Molding Die, and Process for P...
Publication number
20080274351
Publication date
Nov 6, 2008
TOSOH CORPORATION
Kenichi Itoh
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Thickness control method and double side polisher
Publication number
20060194511
Publication date
Aug 31, 2006
SPEEDFAM Co., Ltd.
Hitoshi Nagayama
B24 - GRINDING POLISHING
Information
Patent Application
Thickness control method and double side polisher
Publication number
20060194512
Publication date
Aug 31, 2006
SPEEDFAM Co., Ltd.
Hitoshi Nagayama
B24 - GRINDING POLISHING