Inventor

Takao Maeda

Inventor

Takefu, JP

Overview

42→

Patents

1980–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 42 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification14%

C23CCoating metallic material13%

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

C04BLime, magnesia5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

B23BTurning4%

B23PMetal-working not otherwise provided for4%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%

B60BVehicle wheels3%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals3%

PatentTitleYear

11,101,748Method of manufacturing an electrostatic induction transducer, electrostatic induction transducer, and wristwatch2021 11,086,273Drive circuit for two-coil step motor2021 9,839,962'Processing method for brake rotor-equipped wheel bearing devices'2017 9,551,059'Rare earth fluoride spray powder and rare earth fluoride-sprayed article'2017 8,914,965'Processing method for brake rotor-equiped wheel bearing devices'2014 8,337,956'Wafer'2012 8,323,074'Brake disk braking surface processing device'2012 8,138,060'Wafer'2012 7,968,205'Corrosion resistant multilayer member'2011 7,913,374'Processing method for brake rotor-equipped wheel bearing devices'2011 7,816,013'Wafer'2010 7,674,427'Rare earth metal member and making method'2010 7,655,328'Conductive, plasma-resistant member'2010 7,462,407'Fluoride-containing coating and coated member'2008 7,280,341'Electrostatic chuck'2007 6,916,534'Thermal spray spherical particles, and sprayed components'2005 6,852,433'Rare-earth oxide thermal spray coated articles and powders for thermal spraying'2005 6,767,636'Thermal spray rare earth oxide particles, sprayed components, and corrosion resistant components'2004 6,733,843'Method for thermal spray coating and rare earth oxide powder used therefor'2004 6,733,724'Hydrogen absorbing alloy and nickel-metal hydride rechargeable battery'2004 6,685,991'Method for formation of thermal-spray coating layer of rare earth fluoride'2004 6,596,397'Thermal spray particles and sprayed components'2003 6,576,354'Method for thermal spray coating and rare earth oxide powder used therefor'2003 6,506,121'Cage for constant-velocity joint and method for manufacturing the same'2003 6,317,965'Noise-cut filter for power converter'2001 6,179,923'Deposition apparatus for an organic thin-film light-emitting element'2001 6,144,269'Noise-cut LC filter for power converter with overlapping aligned coil patterns'2000 6,024,927'Particulate trap'2000 5,892,668'Noise-cut filter for power converter'1999 5,830,415'Filter member for purifying exhaust gas and method for manufacturing the same'1998 5,643,834'Process for manufacturing a semiconductor substrate comprising laminated copper, silicon oxide and silicon nitride layers'1997 5,455,453'Plastic package type semiconductor device having a rolled metal substrate'1995 5,386,193'Partial discharge detecting device for resin-molded transformer'1995 5,369,220'Wiring board having laminated wiring patterns'1994 5,306,679'Heat conductive colored aluminum nitride sintered body'1994 5,294,388'Heat conductive colored aluminum nitride sintered body and method of preparing the same'1994 5,233,305'Partial discharge detecting device for resin-molded transformer'1993 5,147,832'Thermal conductive colored aluminum nitride sintered body and method of preparing the same'1992 5,134,459'Lead frame for semiconductor device'1992 5,038,377'ROM circuit for reducing sound data'1991 4,562,104'Adhesive bonding of scatter coated metal objects'1985 4,195,607'Blow-by gas recirculating device'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2000Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (9)· patent assignee history

1993–2001Patents assigned to FUJI ELECTRIC CO LTD (6)· patent assignee history

1993–2001Based in Kanagawa, JP· patent location history

1994–2000Based in Itami, JP· patent location history

2003–2017Patents assigned to SHINETSU CHEMICAL CO (17)· patent assignee history

2003–2017Patents assigned to NTN TOYO BEARING CO LTD (5)· patent assignee history

2003–2008Based in Takefu, JP· patent location history

2003–2017Based in Shizuoka, JP· patent location history

2010–2012Based in Tokyo, JP· patent location history

2012–2017Patents assigned to MAEDA TAKAO (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHINETSU CHEMICAL CO	17	2003–2017
SUMITOMO ELECTRIC INDUSTRIES	9	1992–2000
FUJI ELECTRIC CO LTD	6	1993–2001
MAEDA TAKAOself	5	2012–2017
NTN TOYO BEARING CO LTD	5	2003–2017

Locations

Location	Patents	Span
Takefu, JP	6	2003–2008
Tokyo, JP	5	2010–2012
Kanagawa, JP	5	1993–2001
Itami, JP	5	1994–2000
Shizuoka, JP	4	2003–2017