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Patents Grants
last 30 patents
Information
Patent Grant
Optical display system having a Brewster's angle regulating film
Patent number
5,999,314
Issue date
Dec 7, 1999
Central Glass Company Limited
Motoh Asakura
B32 - LAYERED PRODUCTS
Information
Patent Grant
Method of refining rare gas fluoride excimer laser gas
Patent number
4,964,137
Issue date
Oct 16, 1990
Central Glass Company, Limited
Minoru Aramaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for welding plate glasses together
Patent number
4,173,460
Issue date
Nov 6, 1979
Agency of Industrial Science & Technology
Yoshihiro Ebata
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for preparing anhydrous aluminum fluoride
Patent number
4,070,447
Issue date
Jan 24, 1978
Central Glass Company, Limited
Tetsuhiro Ono
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of fluorine-rich organic compounds cont...
Patent number
4,069,266
Issue date
Jan 17, 1978
Central Glass Company, Limited
Tadaaki Komatsu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkali-resistant glass composition
Patent number
4,066,465
Issue date
Jan 3, 1978
Central Glass Company, Limited
Yoshio Mohri
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for fabricating heat-reflecting glass
Patent number
4,064,832
Issue date
Dec 27, 1977
Central Glass Company, Limited
Yoshimasa Chujo
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of melting raw materials for glass
Patent number
4,062,667
Issue date
Dec 13, 1977
Central Glass Co., Ltd.
Kyohei Hatanaka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for preparing oligomers of tetrafluoroethylene
Patent number
4,057,591
Issue date
Nov 8, 1977
Central Glass Company, Limited
Masahiro Ozawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing sodium fluoride from sodium silicofluoride
Patent number
4,057,614
Issue date
Nov 8, 1977
Central Glass Company, Limited
Tetsuhiro Ono
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for preparation of calcium hydrogen phosphate anhydride
Patent number
4,044,105
Issue date
Aug 23, 1977
Central Glass Company, Limited
Takamitsu Enomoto
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for coating glass
Patent number
4,042,363
Issue date
Aug 16, 1977
Central Glass Co., Ltd.
Takeshi Maeda
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for the production of hard vinyl chloride foams
Patent number
4,042,556
Issue date
Aug 16, 1977
Central Glass Co., Ltd.
Mituji Yoshinaga
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing oligomers of hexafluoropropene
Patent number
4,042,638
Issue date
Aug 16, 1977
Central Glass Co., Ltd.
Masahiro Ozawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparation of ammonium tetrafluoroaluminate
Patent number
4,034,068
Issue date
Jul 5, 1977
Central Glass Co., Ltd.
Minoru Aramaki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Float glass band width control method
Patent number
4,030,902
Issue date
Jun 21, 1977
Central Glass Co., Ltd.
Yasuyuki Nagae
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for the production of fibrous potassium titanate
Patent number
3,993,740
Issue date
Nov 23, 1976
Central Glass Co., Ltd.
Hajime Saito
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for measuring a width of a glass ribbon in plate glass ma...
Patent number
3,977,858
Issue date
Aug 31, 1976
Central Glass Co., Ltd.
Chiaki Taguchi
G01 - MEASURING TESTING
Information
Patent Grant
System for preventing cracking of glass ribbon in plate manufacturing
Patent number
3,975,177
Issue date
Aug 17, 1976
Central Glass Co., Ltd.
Hiroshi Masuda
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Moisture responsive system for removing condensation
Patent number
3,968,342
Issue date
Jul 6, 1976
Central Glass Co., Ltd.
Hiroshi Inaba
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
Information
Patent Application
Method for Cleaning Wafer, and Chemical Used in Such Cleaning Method
Publication number
20170287705
Publication date
Oct 5, 2017
Central Glass Company ,Limited
Takashi SAIO
C07 - ORGANIC CHEMISTRY
Trademark
last 30 trademarks
Information
Trademark
72350226 - GRAYRAL
Serial number
72350226
Registration number
913403
Filing date
Feb 2, 1970
CENTRAL GLASS CO., LTD.
21 - Household or kitchen utensils and containers