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Masahide Waki
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing fluoride gas
Patent number
9,731,968
Issue date
Aug 15, 2017
Stella Chemifa Corporation
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing tetrafluoroborate
Patent number
9,376,323
Issue date
Jun 28, 2016
Stella Chemifa Corporation
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for production hexafluorophosphates
Patent number
9,059,480
Issue date
Jun 16, 2015
Stella Chemifa Corporation
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Processes for producing phosphorus pentafluoride and phosphate hexa...
Patent number
9,034,290
Issue date
May 19, 2015
Stella Chemifa Corporation
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Production method of high purity silver tetrafluoroborate
Patent number
8,501,138
Issue date
Aug 6, 2013
Stella Chemifa Coporation
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Processes for production of phosphorus pentafluoride and hexafluoro...
Patent number
8,470,278
Issue date
Jun 25, 2013
Stella Chemifa Corporation
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Manufacturing method of hexafluorophosphate
Patent number
8,383,075
Issue date
Feb 26, 2013
Stella Chemifa Corporation
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for purifying a fluorine compound
Patent number
8,232,436
Issue date
Jul 31, 2012
Stella Chemifa Corporation
Masahide Waki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Isotope enrichment method
Patent number
7,943,107
Issue date
May 17, 2011
Stella Chemifa Corporation
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for forming a carbon nanotube aggregate
Patent number
7,740,825
Issue date
Jun 22, 2010
Stella Chemifa Corporation
Kazuyuki Tohji
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Fine treatment agent and fine treatment method using same
Patent number
7,727,415
Issue date
Jun 1, 2010
Stella Chemifa Corporation
Hirohisa Kikuyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of purifying quaternary alkyl ammonium salt and quaternary a...
Patent number
7,268,256
Issue date
Sep 11, 2007
Stella Chemifa Kabushiki Kaisha
Hirohisa Kikuyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification method for producing high purity niobium compound and/...
Patent number
7,214,362
Issue date
May 8, 2007
Stella Chemifa Kabushiki Kaisha
Hirohisa Kikuyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Purification method for producing high purity niobium compound and/...
Patent number
7,175,823
Issue date
Feb 13, 2007
Stella Chemifa Kabushiki Kaisha
Hirohisa Kikuyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing lithium hexafluorophosphate
Patent number
6,955,795
Issue date
Oct 18, 2005
Stella Chemifa Kabushiki Kaisha
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for purification of tungsten hexafluoride
Patent number
6,896,866
Issue date
May 24, 2005
Stella Chemifa Kabushiki Kaisha
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of purifying lithium hexafluorophosphate
Patent number
6,884,403
Issue date
Apr 26, 2005
Stella Chemifa Kabushiki Kaisha
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of purifying lithium hexafluorosphate
Patent number
6,514,474
Issue date
Feb 4, 2003
Stella Chemifa Kabushiki Kaisha
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING TETRAFLUOROBORATE
Publication number
20120082608
Publication date
Apr 5, 2012
STELLA CHEMIFA CORPORATION
Masahide Waki
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
PROCESS FOR THE PREPARATION OF FLUORINE COMPOUND
Publication number
20110311426
Publication date
Dec 22, 2011
STELLA CHEMIFA CORPORATION
Masahide Waki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES FOR PRODUCING PHOSPHORUS TETRAFLUORIDE AND PHOSPHATE HEXA...
Publication number
20110286905
Publication date
Nov 24, 2011
STELLA CHEMIFA CORPORATION
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESSES FOR PRODUCTION OF PHOSPHORUS PENTAFLUORIDE AND HEXAFLUORO...
Publication number
20110189538
Publication date
Aug 4, 2011
STELLA CHEMIFA CORPORATION
Masahide Waki
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
PROCESS FOR PRODUCING FLUORIDE GAS
Publication number
20110135555
Publication date
Jun 9, 2011
STELLA CHEMIFA CORPORATION
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCTION HEXAFLUOROPHOSPHATES
Publication number
20110097626
Publication date
Apr 28, 2011
STELLA CHEMIFA CORPORATION
Masahide Waki
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
METHOD OF MANUFACTURING PHOSPHOROUS PENTAFLUORIDE AND HEXAFLUOROPHO...
Publication number
20100322838
Publication date
Dec 23, 2010
STELLA CHEMIFA CORPORATION
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Application
MANUFACTURING METHOD OF HEXAFLUOROPHOSPHATE
Publication number
20100317511
Publication date
Dec 16, 2010
STELLA CHEMIFA CORPORATION
Masahide Waki
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PURIFYING A FLUORINE COMPOUND
Publication number
20100099931
Publication date
Apr 22, 2010
STELLA CHEMIFA CORPORATION
Masahide Waki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCTION OF SILICON TETRAFLUORIDE, AND APPARATUS FOR...
Publication number
20090274606
Publication date
Nov 5, 2009
STELLA CHEMIFA CORPORATION
Mitsugu Nagano
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ISOTOPE ENRICHEMENT METHOD
Publication number
20090136407
Publication date
May 28, 2009
STELLA CHEMIFA CORPORATION
Masahide Waki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Fine Treatment Agent and Fine Treatment Method Using Same
Publication number
20080029487
Publication date
Feb 7, 2008
Hirohisa Kikuyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Carbon Nanotubes Aggregate, Method for Forming Same, and Biocompati...
Publication number
20070209093
Publication date
Sep 6, 2007
Kazuyuki Tohji
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method for producing tantalum oxide and/or niobium oxide in form of...
Publication number
20070189957
Publication date
Aug 16, 2007
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Tantalum oxide and/or niobium oxide and method for preparation thereof
Publication number
20070178040
Publication date
Aug 2, 2007
STELLA CHEMIFA CORPORATION
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Chitin oligomer composition and/or chitosan oligomer composition an...
Publication number
20070112183
Publication date
May 17, 2007
RESEARCH INSTITUTE FOR PRODUCTION DEVELOPMENT
Hisao Kitano
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
Method of purifying quaternary alkylammonium salt and quaternary al...
Publication number
20060020147
Publication date
Jan 26, 2006
Hirohisa Kikuyama
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Purification method for producing high purity niobium compound and/...
Publication number
20050255035
Publication date
Nov 17, 2005
Hirohisa Kikuyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method of purifying niobium compound and/or tantalum compound
Publication number
20050123459
Publication date
Jun 9, 2005
Hirohisa Kikuyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Purification method for producing high purity niobium compound and/...
Publication number
20050115364
Publication date
Jun 2, 2005
Hirohisa Kikuyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method of purifying lithium hexafluorosphate
Publication number
20030143145
Publication date
Jul 31, 2003
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for purification of tungsten hexafluoride
Publication number
20030091498
Publication date
May 15, 2003
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for producing lithium hexafluorophosphate
Publication number
20030077215
Publication date
Apr 24, 2003
Hirohisa Kikuyama
C01 - INORGANIC CHEMISTRY