Hirohisa Kikuyama

Person

Osaka, JP

People

Patents Grantslast 30 patents

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
Method for producing fluoride crystal
- Patent number 8,333,838
- Issue date Dec 18, 2012
- Stella Chemifa Corporation
- Tsuguo Fukuda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Surface treatment solution for the fine surface processing of a gla...
- Patent number 8,066,898
- Issue date Nov 29, 2011
- Stella Chemifa Kabushiki Kaisha
- Hirohisa Kikuyama
- C03 - GLASS MINERAL OR SLAG WOOL
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
Scintillator and radiation detector, and radiation inspecting device
- Patent number 7,498,579
- Issue date Mar 3, 2009
- Stella Chemifa Corporation
- Tsuguo Fukuda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for producing crystal of fluoride
- Patent number 7,413,606
- Issue date Aug 19, 2008
- Stella Chemifa Corporation
- Tomohiko Satonaga
- C30 - CRYSTAL GROWTH
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 reducing oxygen component and carbon component in fluoride
- Patent number 7,033,563
- Issue date Apr 25, 2006
- Stella Chemifa Kabushiki Kaisha
- Hirohisa Kikuyama
- C01 - INORGANIC CHEMISTRY
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 of removing calcium from water containing calcium hydrogen c...
- Patent number 6,905,606
- Issue date Jun 14, 2005
- Stella Chemifa Kabushiki Kaisha
- Hirohisa Kikuyama
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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
Etchant
- Patent number 6,821,452
- Issue date Nov 23, 2004
- Hirohisa Kikuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface treating for micromachining and method for surface treatment
- Patent number 6,797,194
- Issue date Sep 28, 2004
- Stella Chemifa Kabushiki Kaisha
- Hirohisa Kikuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stainless steel having passive fluoride film formed thereon and equ...
- Patent number 6,699,603
- Issue date Mar 2, 2004
- Stella Chemifa Kabushiki Kaisha
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for fixing fluorine and phosphorus in waste water containing...
- Patent number 6,666,973
- Issue date Dec 23, 2003
- Stella Chemifa Kabushiki Kaisha
- Hirohisa Kikuyama
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Highly activated hydrogen containing material and method for produc...
- Patent number 6,632,293
- Issue date Oct 14, 2003
- The Japan Steel Works, Ltd.
- Fumiaki Aono
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Etchant
- Patent number 6,585,910
- Issue date Jul 1, 2003
- Stella Chemifa Kabushiki Kaisha
- Hirohisa Kikuyama
- H01 - BASIC ELECTRIC ELEMENTS
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
Information Patent Grant
Industrial material with fluorine passivated film and process of ma...
- Patent number 6,258,411
- Issue date Jul 10, 2001
- Mitsubisi Aluminum Company, Ltd.
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Surface treatment for micromachining
- Patent number 6,027,571
- Issue date Feb 22, 2000
- Stella Chemifa Kabushiki Kaisha
- Hirohisa Kikuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface treating composition for micro processing
- Patent number 5,803,956
- Issue date Sep 8, 1998
- Hashimoto Chemical Company, Ltd.
- Tadahiro Ohmi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Etching agent, electronic device and method of manufacturing the de...
- Patent number 5,714,407
- Issue date Feb 3, 1998
- Frontec Incorporated
- Matagoro Maeno
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Surface treatment agent for fine surface treatment
- Patent number 5,277,835
- Issue date Jan 11, 1994
- Hashimoto Chemical Industries Co., Ltd.
- Tadahiro Ohmi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Tungsten film forming apparatus
- Patent number 5,149,378
- Issue date Sep 22, 1992
- Hashimoto Kasei Kabushiki-Kaisya
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Dry etching apparatus with diluted anhydrous hydrogen fluoride gas...
- Patent number 5,100,495
- Issue date Mar 31, 1992
- Hashimoto Chemical Industries Co., Ltd.
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of anhydrous hydrogen fluoride etching
- Patent number 5,073,232
- Issue date Dec 17, 1991
- Hashimoto Chemical Industries Co., Ltd.
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR TREATING INNER WALL SURFACE OF MICRO-VACANCY
- Publication number 20160064213
- Publication date Mar 3, 2016
- Takeshi Sakai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for producing fluoride crystal
- Publication number 20110000423
- Publication date Jan 6, 2011
- STELLA CHEMIFA CORPORATION
- Tsuguo Fukuda
- C30 - CRYSTAL GROWTH
Information Patent Application
METHOD FOR TREATING SURFACE OF A GLASS SUBSTRATE
- Publication number 20090298295
- Publication date Dec 3, 2009
- STELLA CHEMIFA KABUSHIKI KAISHA
- Hirohisa KIKUYAMA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Production Method of High Purity Silver Tetrafluoroborate
- Publication number 20090274604
- Publication date Nov 5, 2009
- STELLA CHEMIFA CORPORATION
- Hirohisa Kikuyama
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SURFACE TREATMENT SOLUTION FOR THE FINE SURFACE PROCESSING OF A GLA...
- Publication number 20090075486
- Publication date Mar 19, 2009
- Hirohisa Kikuyama
- C03 - GLASS MINERAL OR SLAG WOOL
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
Processing Liquid and Processing Method for Semiconductor Device, a...
- Publication number 20070227567
- Publication date Oct 4, 2007
- Tohoku University
- Tadahiro Ohmi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SURFACE TREATING FLUID FOR FINE PROCESSING OF MULTI-COMPONENT GLASS...
- Publication number 20070215835
- Publication date Sep 20, 2007
- Hirohisa Kikuyama
- C03 - GLASS MINERAL OR SLAG WOOL
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 for producing crystal of fluoride
- Publication number 20070095273
- Publication date May 3, 2007
- Tomohiko Satonaga
- C30 - CRYSTAL GROWTH
Information Patent Application
Apparatus for producing fluoride crystal
- Publication number 20070056508
- Publication date Mar 15, 2007
- Tsuguo Fukuda
- C30 - CRYSTAL GROWTH
Information Patent Application
Method for analyzing impurities (color centers) of fluoride and pro...
- Publication number 20070034139
- Publication date Feb 15, 2007
- Tsuguo Fukuda
- G01 - MEASURING TESTING
Information Patent Application
Surface treating solution for fine processing of glass base plate h...
- Publication number 20070029519
- Publication date Feb 8, 2007
- Hirohisa Kikuyama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Scintillator and radiation detector, and radiation inspecting device
- Publication number 20070018107
- Publication date Jan 25, 2007
- Tsuguo Fukuda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Surface treating for micromachining and surface treatment method
- Publication number 20040209481
- Publication date Oct 21, 2004
- Hirohisa Kikuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Etchant
- Publication number 20040108299
- Publication date Jun 10, 2004
- STELLA CHEMIFA KABUSHIKI KAISHA
- Hirohisa Kikuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for reducing oxygen component and carbon component in fluoride
- Publication number 20040062696
- Publication date Apr 1, 2004
- Hirohisa Kikuyama
- C30 - CRYSTAL GROWTH
Information Patent Application
Highly activated hydrogen containing material and method for produc...
- Publication number 20030209296
- Publication date Nov 13, 2003
- THE JAPAN STEEL WORKS, LTD.
- Fumiaki Aono
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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

Hirohisa Kikuyama

Person

Patents Grantslast 30 patents

Production method of high purity silver tetrafluoroborate

Method for producing fluoride crystal

Surface treatment solution for the fine surface processing of a gla...

Method for forming a carbon nanotube aggregate

Fine treatment agent and fine treatment method using same

Scintillator and radiation detector, and radiation inspecting device

Method for producing crystal of fluoride

Method of purifying quaternary alkyl ammonium salt and quaternary a...

Purification method for producing high purity niobium compound and/...

Purification method for producing high purity niobium compound and/...

Method for reducing oxygen component and carbon component in fluoride

Method for producing lithium hexafluorophosphate

Method of removing calcium from water containing calcium hydrogen c...

Method for purification of tungsten hexafluoride

Method of purifying lithium hexafluorophosphate

Etchant

Surface treating for micromachining and method for surface treatment

Stainless steel having passive fluoride film formed thereon and equ...

Method for fixing fluorine and phosphorus in waste water containing...

Highly activated hydrogen containing material and method for produc...

Etchant

Method of purifying lithium hexafluorosphate

Industrial material with fluorine passivated film and process of ma...

Surface treatment for micromachining

Surface treating composition for micro processing

Etching agent, electronic device and method of manufacturing the de...

Surface treatment agent for fine surface treatment

Tungsten film forming apparatus

Dry etching apparatus with diluted anhydrous hydrogen fluoride gas...

Method of anhydrous hydrogen fluoride etching

Patents Applicationslast 30 patents

METHOD FOR TREATING INNER WALL SURFACE OF MICRO-VACANCY

Method for producing fluoride crystal

METHOD FOR TREATING SURFACE OF A GLASS SUBSTRATE

Production Method of High Purity Silver Tetrafluoroborate

SURFACE TREATMENT SOLUTION FOR THE FINE SURFACE PROCESSING OF A GLA...

Fine Treatment Agent and Fine Treatment Method Using Same

Processing Liquid and Processing Method for Semiconductor Device, a...

SURFACE TREATING FLUID FOR FINE PROCESSING OF MULTI-COMPONENT GLASS...

Carbon Nanotubes Aggregate, Method for Forming Same, and Biocompati...

Method for producing tantalum oxide and/or niobium oxide in form of...

Tantalum oxide and/or niobium oxide and method for preparation thereof

Chitin oligomer composition and/or chitosan oligomer composition an...

Method for producing crystal of fluoride

Apparatus for producing fluoride crystal

Method for analyzing impurities (color centers) of fluoride and pro...

Surface treating solution for fine processing of glass base plate h...

Scintillator and radiation detector, and radiation inspecting device

Method of purifying quaternary alkylammonium salt and quaternary al...

Purification method for producing high purity niobium compound and/...

Method of purifying niobium compound and/or tantalum compound

Purification method for producing high purity niobium compound and/...

Surface treating for micromachining and surface treatment method

Etchant

Method for reducing oxygen component and carbon component in fluoride

Highly activated hydrogen containing material and method for produc...

Method of purifying lithium hexafluorosphate

Method for purification of tungsten hexafluoride

Method for producing lithium hexafluorophosphate