Inventor

Toshio Fujita

Inventor

Tokyo, JP

Overview

66→

Patents

1977–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 66 as inventor

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

C22Cprimary

C22CAlloys13%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%

C05GMixtures of fertilisers covered individually by different subclasses of class c055%

C21DModifying the physical structure of ferrous metals5%

F01DNon-positive displacement machines or engines, e.g. steam turbines5%

H01QAntennas, i.e. radio aerials5%

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

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

B23KSoldering or unsoldering2%

PatentTitleYear

10,991,484Multi-conductor cable for vehicle and method for manufacturing multi-conductor cable for vehicle2021 10,920,051Resin composition and electrical cable2021 10,294,500Method for producing methacrylic acid and/or ester thereof2019 9,085,728'Composition containing quantum dot fluorescent body, molded body of quantum dot fluorescent body dispersion resin, structure containing quantum dot fluorescent body, light-emitting device, electronic apparatus, mechanical device, and method for producing molded body of quantum dot fluorescent body dispersion resin'2015 8,604,150'Epoxy group-containing organosiloxane compound, curable composition for transfer materials and method for forming micropattern using the composition'2013 8,541,508'Epoxy group-containing copolymer, epoxy (meth)acrylate copolymer using the same and their production processes'2013 8,476,361'Fine pattern transfer material'2013 8,445,609'Method for producing olefin polymer'2013 8,138,296'Epoxy compounds and process for their production'2012 7,880,018'Epoxy compound and production process of same'2011 7,863,461'Epoxy compounds and method for production of the same'2011 7,819,987'Antigen exposure chamber and method of cleaning and drying the same'2010 7,808,431'Antenna apparatus capable of directivity control'2010 7,486,249'Antenna'2009 7,277,063'Variable directivity antenna and variable directivity antenna system using the antennas'2007 7,084,829'Signal receiving system'2006 7,071,891'Antenna apparatus'2006 6,965,353'Multiple frequency band antenna and signal receiving system using such antenna'2005 6,914,558'Variable directivity antenna apparatus and receiver system using such antenna apparatus'2005 6,574,966'Gas turbine for power generation'2003 6,546,713'Gas turbine for power generation, and combined power generation system'2003 6,419,453'Steam turbine rotor shaft'2002 6,271,167'Catalyst for olefin polymerization and method for preparing polyolefins'2001 6,193,775'Coated granular fertilizer'2001 6,174,132'Steam-turbine power plant and steam turbine'2001 6,162,389'High-strength and high-toughness non heat-treated steel having excellent machinability'2000 6,136,110'Ferritic heat-resistant steel having excellent high temperature strength and process for producing the same'2000 6,123,504'Steam-turbine power plant and steam turbine'2000 6,063,727'Catalyst for olefin polymerization and method for preparing polyolefins'2000 5,991,597'Converter for a satellite signal receiving antenna'1999 5,911,842'Heat resisting steel and steam turbine rotor shaft and method of making thereof'1999 5,766,376'High-strength ferritic heat-resistant steel and method of producing the same'1998 5,749,228'Steam-turbine power plant and steam turbine'1998 5,693,729'Catalyst for polymerization of olefin and process for the preparation of olefin polymer'1997 5,650,024'Martensitic heat-resisting steel excellent in HAZ-softening resistance and process for producing the same'1997 5,582,657'Heat-resistant, ferritic cast steel having high castability and exhaust equipment member made thereof'1996 5,501,835'Heat-resistant, austenitic cast steel and exhaust equipment member made thereof'1996 5,489,416'Heat-resistant, austenitic cast steel and exhaust equipment member made thereof'1996 5,476,825'Catalyst for polymerization of olefin and process for producing olefin polymer'1995 5,407,883'Catalyst for polymerization of olefin and process for the preparation of olefin polymer'1995 5,349,012'Process for preparing rubber-modified styrene resins'1994 5,259,887'Heat-resistant, ferritic cast steel, exhaust equipment member made thereof'1993 5,194,220'Austenitic cast steel and articles made thereof'1993 5,176,734'Granular fertilizer with a decomposable coating and process for producing the same'1993 5,152,850'Heat-resistant, ferritic cast steel and exhaust equipment member made thereof'1992 5,147,442'Coated granular fertilizer'1992 5,066,337'Thermal power transfer system using applied potential difference to sustain operating pressure difference'1991 5,061,440'Ferritic heat resisting steel having superior high-temperature strength'1991 5,009,696'Fertilizer with a degradative coating'1991 4,985,208'Polymerization reaction apparatus'1991 4,917,738'Steam turbine rotor for high temperature'1990 4,881,963'Granuler fertilizer with a degradative coating'1989 4,844,755'High-strength heat-resisting ferritic steel pipe and tube'1989 4,715,007'Instrument for measuring film thickness'1987 4,552,915'Low-temperature sintered porcelain composition suitable for forming'1985 4,533,838'Diode driver circuit having stored charge control means'1985 4,408,128'Electric resistance type wide range moisture meter'1983 4,405,369'Ferritic heat-resisting steel with an excellent toughness'1983 4,369,055'Coated granular fertilizer capable of controlling the effect of temperature upon dissolution-out rate'1983 4,365,999'Corrosion-inhibiting method for steel materials in concrete'1982 4,338,574'Carrier recovering circuit for phase modulated signal'1982 4,161,537'Insecticidal isovaleric acid esters'1979 4,160,673'Low temperature calcined porcelain and process for preparation thereof'1979 4,023,091'Apparatus for detecting axial displacements in power windings of electric induction machines'1977 4,019,890'Method for producing coated fertilizer'1977 4,010,536'Method of adjusting two concentric windings in electrical induction devices'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2015Patents assigned to FUJITA TOSHIO (11)· patent assignee history

1982–2015Based in Tokyo, JP· patent location history

1991–1996Patents assigned to HITACHI METALS LTD (7)· patent assignee history

1991–1994Based in Kitakyushu, JP· patent location history

1995–2015Patents assigned to SHOWA DENKO KK (10)· patent assignee history

1995–1997Based in Oita, JP· patent location history

1998–2003Patents assigned to HITACHI LTD (7)· patent assignee history

1999–2010Patents assigned to DX ANTENNA (8)· patent assignee history

1999–2010Based in Kobe, JP· patent location history

2011–2012Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITA TOSHIOself	11	1977–2015
SHOWA DENKO KK	10	1995–2015
DX ANTENNA	8	1999–2010
HITACHI LTD	7	1998–2003
HITACHI METALS LTD	7	1991–1996

Locations

Location	Patents	Span
Tokyo, JP	27	1982–2015
Kobe, JP	8	1999–2010
Kawasaki, JP	3	2011–2012
Oita, JP	3	1995–1997
Kitakyushu, JP	3	1991–1994