Inventor

Kazutoshi Higashiyama

Inventor

Naka, JP

Overview

21→

Patents

1988–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 21 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Mprimary

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%

Y02PClimate change mitigation technologies in the production or processing of goods11%

C08JWorking-up8%

H10DInorganic electric semiconductor devices7%

H10NElectric solid-state devices not otherwise provided for6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%

C01BNon-metallic elements4%

C23CCoating metallic material4%

PatentTitleYear

9,522,391'Co-selective methanation catalyst'2016 9,005,552'Selective CO methanation catalyst, method of producing the same, and apparatus using the same'2015 7,560,185'Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell'2009 7,553,574'Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell'2009 7,541,107'Solid polyelectrolyte, assembly of membrane and electrodes, amd fuel cell'2009 7,071,053'Method of forming capacitor with ruthenium top and bottom electrodes by MOCVD'2006 6,964,823'Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell'2005 6,917,065'Ferroelectric capacitor and semiconductor device'2005 6,893,764'Solid polyelectrolyte, assembly of membrane and electrodes, and fuel cell'2005 6,890,673'Hydrogen producing apparatus and power generating system using it'2005 6,821,845'Semiconductor device and method for manufacturing the same'2004 6,777,248'Dielectric element and manufacturing method therefor'2004 6,670,065'Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell'2003 6,548,342'Method of producing oxide dielectric element, and memory and semiconductor device using the element'2003 6,316,391'Oxide superconducting wire and method of manufacturing the same'2001 5,545,610'Oxide-based superconductor, a process for preparing the same and a wire material of comprising the same'1996 5,508,256'Oxide high-temperature superconducting material, method of preparing same and superconducting wires'1996 5,276,012'Laser-assisted CVD process forming oxide superconducting films'1994 5,252,315'Process for producing lithium aluminate powder having large specific surface area'1993 5,190,913'Apparatus for producing superconducting oxide film'1993 4,741,279'Method of and apparatus for combusting coal-water mixture'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2009Patents assigned to HITACHI LTD (17)· patent assignee history

1988–2005Patents assigned to BABCOCK HITACHI KK (2)· patent assignee history

1988–1996Based in Katsuta, JP· patent location history

1993–1994Patents assigned to INT SUPERCONDUCTIVITY TECH (2)· patent assignee history

1993–1994Patents assigned to NGK SPARK PLUG CO (2)· patent assignee history

1993–2005Based in Hitachi, JP· patent location history

2003–2009Based in Naka, JP· patent location history

2004–2006Based in Naka-machi, JP· patent location history

2015–2016Patents assigned to UNIV YAMANASHI (2)· patent assignee history

2015–2016Based in Kofu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	17	1988–2009
BABCOCK HITACHI KK	2	1988–2005
INT SUPERCONDUCTIVITY TECH	2	1993–1994
NGK SPARK PLUG CO	2	1993–1994
UNIV YAMANASHI	2	2015–2016

Locations

Location	Patents	Span
Naka, JP	7	2003–2009
Naka-machi, JP	4	2004–2006
Hitachi, JP	3	1993–2005
Kofu, JP	2	2015–2016
Katsuta, JP	2	1988–1996