Takayuki NAKAI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Processing device and processing method for hydrogen-sulphide-conta...
- Patent number 9,731,980
- Issue date Aug 15, 2017
- Sumitomo Metal Mining Co., Ltd.
- Takayuki Nakai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering lithium
- Patent number 9,677,152
- Issue date Jun 13, 2017
- Sumitomo Metal Mining Co., Ltd.
- Satoshi Asano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing high-purity cobalt sulfate aqueous solution
- Patent number 9,499,879
- Issue date Nov 22, 2016
- Sumitomo Metal Mining Co., Ltd.
- Yoshitomo Ozaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing cobalt sulfate
- Patent number 9,428,820
- Issue date Aug 30, 2016
- Sumitomo Metal Mining Co., Ltd.
- Takayuki Nakai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing high-purity nickel surface
- Patent number 9,017,640
- Issue date Apr 28, 2015
- Sumitomo Metal Mining Co., Ltd.
- Takayuki Nakai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing raw material for ferronickel smelting from low...
- Patent number 8,747,787
- Issue date Jun 10, 2014
- Sumitomo Metal Mining Co., Ltd.
- Hiroshi Kobayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
PROCESSING DEVICE AND PROCESSING METHOD FOR HYDROGEN-SULPHIDE-CONTA...
- Publication number 20150329379
- Publication date Nov 19, 2015
- Sumitomo Metal Mining Co., Ltd.
- Takayuki NAKAI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
HEAVY-METAL REMOVAL METHOD AND HEAVY-METAL REMOVAL DEVICE
- Publication number 20150315046
- Publication date Nov 5, 2015
- Sumitomo Metal Mining Co., Ltd.
- Takayuki NAKAI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
NEUTRALIZATION TREATMENT METHOD AND NEUTRALIZING AGENT
- Publication number 20150299007
- Publication date Oct 22, 2015
- Sumitomo Metal Mining Co., Ltd.
- Takayuki NAKAI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR RECOVERING LITHIUM
- Publication number 20150013499
- Publication date Jan 15, 2015
- Sumitomo Metal Mining Co., Ltd.
- Satoshi Asano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING COBALT SULFATE
- Publication number 20140348731
- Publication date Nov 27, 2014
- Sumitomo Metal Mining Co., Ltd.
- Takayuki Nakai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING HIGH-PURITY NICKEL SURFACE
- Publication number 20140322109
- Publication date Oct 30, 2014
- Takayuki Nakai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING HIGH-PURITY COBALT SULFATE AQUEOUS SOLUTION
- Publication number 20140294703
- Publication date Oct 2, 2014
- Sumitomo Metal Mining Co., Ltd.
- Yoshitomo Ozaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING RAW MATERIAL FOR FERRONICKEL SMELTING FROM LOW...
- Publication number 20130074653
- Publication date Mar 28, 2013
- SIMITOMO METAL MINING CO., LTD.
- Hiroshi Kobayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Takayuki NAKAI

Person

Patents Grantslast 30 patents

Processing device and processing method for hydrogen-sulphide-conta...

Method for recovering lithium

Method for producing high-purity cobalt sulfate aqueous solution

Method for producing cobalt sulfate

Method for producing high-purity nickel surface

Method for producing raw material for ferronickel smelting from low...

Patents Applicationslast 30 patents

PROCESSING DEVICE AND PROCESSING METHOD FOR HYDROGEN-SULPHIDE-CONTA...

HEAVY-METAL REMOVAL METHOD AND HEAVY-METAL REMOVAL DEVICE

NEUTRALIZATION TREATMENT METHOD AND NEUTRALIZING AGENT

METHOD FOR RECOVERING LITHIUM

METHOD FOR PRODUCING COBALT SULFATE

METHOD FOR PRODUCING HIGH-PURITY NICKEL SURFACE

METHOD FOR PRODUCING HIGH-PURITY COBALT SULFATE AQUEOUS SOLUTION

METHOD FOR PRODUCING RAW MATERIAL FOR FERRONICKEL SMELTING FROM LOW...