Hiroto Izumi

Person

Sendai, JP

People

Patents Grantslast 30 patents

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
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
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
Metal material formed with fluorocarbon film, process for preparing...
- Patent number 6,077,561
- Issue date Jun 20, 2000
- Hashimoto Chemical Co., Ltd.
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Metal material formed with fluorocarbon film, process for preparing...
- Patent number 5,725,907
- Issue date Mar 10, 1998
- Hashimoto Chemical Co., Ltd.
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Metal material formed with fluorocarbon film, process for preparing...
- Patent number 5,605,742
- Issue date Feb 25, 1997
- Hashimoto Chemical Co. Ltd.
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

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
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...

Hiroto Izumi

Person

Patents Grantslast 30 patents

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

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

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

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

Metal material formed with fluorocarbon film, process for preparing...

Metal material formed with fluorocarbon film, process for preparing...

Metal material formed with fluorocarbon film, process for preparing...

Patents Applicationslast 30 patents

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/...

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