Inventor · disambiguated record
Tohru Den
Also filed as: DEN TOHRU
93 granted patents·7 pending applications·2,626 citations·filing 1987–2010
99Inventor score
Top patents by PatentIndex Score
100 records- 0199US7872259B2Light-emitting deviceCANON KK·Filed 2005·Granted Jan 18, 2011·156 cites·26 claims
- 0299US6476409B2Nano-structures, process for preparing nano-structures and devicesCANON KK·Filed 2000·Granted Nov 5, 2002·118 cites·26 claims
- 0399US6278231B1Nanostructure, electron emitting device, carbon nanotube device, and method of producing the sameCANON KK·Filed 1999·Granted Aug 21, 2001·216 cites·24 claims
- 0498US6628053B1Carbon nanotube device, manufacturing method of carbon nanotube device, and electron emitting deviceCANON KK·Filed 1998·Granted Sep 30, 2003·265 cites·78 claims
- 0597US7879734B2Method of manufacturing porous bodyCANON KK·Filed 2006·Granted Feb 1, 2011·40 cites·10 claims
- 0696US6838297B2Nanostructure, electron emitting device, carbon nanotube device, and method of producing the sameCANON KK·Filed 2001·Granted Jan 4, 2005·107 cites·25 claims
- 0795US6936854B2Optoelectronic substrateCANON KK·Filed 2002·Granted Aug 30, 2005·71 cites·16 claims
- 0895US6525461B1Narrow titanium-containing wire, process for producing narrow titanium-containing wire, structure, and electron-emitting deviceCANON KK·Filed 1998·Granted Feb 25, 2003·87 cites·23 claims
- 0994US8435899B2Method for producing columnar structured materialMIYATA HIROKATSU·Filed 2009·Granted May 7, 2013·36 cites·5 claims
- 1094US8212252B2Light-emitting deviceDEN TOHRU·Filed 2010·Granted Jul 3, 2012·24 cites·54 claims
- 1194US7148619B2Electronic device containing a carbon nanotubeCANON KK·Filed 2005·Granted Dec 12, 2006·36 cites·15 claims
- 1294US6784007B2Nano-structures, process for preparing nano-structures and devicesCANON KK·Filed 2002·Granted Aug 31, 2004·34 cites·14 claims
- 1394US6720728B2Devices containing a carbon nanotubeCANON KK·Filed 2003·Granted Apr 13, 2004·78 cites·27 claims
- 1494US6649824B1Photoelectric conversion device and method of production thereofCANON KK·Filed 2000·Granted Nov 18, 2003·113 cites·53 claims
- 1594US6610463B1Method of manufacturing structure having poresCANON KK·Filed 2000·Granted Aug 26, 2003·92 cites·34 claims
- 1693US6541386B2Method for producing a structure with narrow poresCANON KK·Filed 2001·Granted Apr 1, 2003·32 cites·41 claims
- 1793US6464853B1Method of producing structure having narrow pores by anodizingCANON KK·Filed 1999·Granted Oct 15, 2002·65 cites·50 claims
- 1892US7347683B2Mold and molding apparatus using the sameCANON KK·Filed 2005·Granted Mar 25, 2008·12 cites·3 claims
- 1992US6972146B2Structure having holes and method for producing the sameCANON KK·Filed 2003·Granted Dec 6, 2005·41 cites·9 claims
- 2090US6858319B2Magnetic recording medium including aluminum layer having holes and production method thereofCANON KK·Filed 2001·Granted Feb 22, 2005·37 cites·1 claims
- 2190US6214738B1Method for producing narrow pores and structure having the narrow pores, and narrow pores and structure produced by the methodCANON KK·Filed 1999·Granted Apr 10, 2001·55 cites·16 claims
- 2290US4898798APhotosensitive member having a light receiving layer comprising a carbonic film for use in electrophotographyCANON KK·Filed 1987·Granted Feb 6, 1990·36 cites·19 claims
- 2389US6979244B2Method of manufacturing an electronic device containing a carbon nanotubeCANON KK·Filed 2003·Granted Dec 27, 2005·33 cites·9 claims
- 2489US6611034B2Magnetic device and solid-state magnetic memoryCANON KK·Filed 2001·Granted Aug 26, 2003·23 cites·22 claims
- 2588US7319069B2Structure having pores, device using the same, and manufacturing methods thereforCANON KK·Filed 2006·Granted Jan 15, 2008·31 cites·18 claims
- 2687US6855025B2Structure and a process for its productionCANON KK·Filed 2002·Granted Feb 15, 2005·20 cites·19 claims
- 2786US7473942B2Light-emitting device with at least one triple junction formed in a planeCANON KK·Filed 2005·Granted Jan 6, 2009·10 cites·8 claims
- 2886US6270571B1Method for producing narrow wires comprising titanium oxide, and narrow wires and structures produced by the same methodCANON KK·Filed 1999·Granted Aug 7, 2001·48 cites·36 claims
- 2985US7829362B2Field-effect transistor, sensor using it, and production method thereofCANON KK·Filed 2007·Granted Nov 9, 2010·12 cites·1 claims
- 3085US7074480B2Porous body and method of manufacturing the sameCANON KK·Filed 2003·Granted Jul 11, 2006·27 cites·12 claims
- 3185US4957061APlurality of beam producing means disposed in different longitudinal and lateral directions from each other with respect to a substrateCANON KK·Filed 1989·Granted Sep 18, 1990·51 cites·58 claims
- 3284US7517554B2Process for producing nanostructure of mixed film of Al, Si, and/or GeCANON KK·Filed 2006·Granted Apr 14, 2009·10 cites·9 claims
- 3383US7286324B2Cobalt-platinum or iron-plantinum magnetic material containing 1% to 40% Cu, Ni or BCANON KK·Filed 2004·Granted Oct 23, 2007·15 cites·10 claims
- 3483US7167342B2Magnetic recording medium, magnetic recording playback device, and information processing deviceCANON KK·Filed 2004·Granted Jan 23, 2007·15 cites·9 claims
- 3583US6982217B2Nano-structure and method of manufacturing nano-structureCANON KK·Filed 2003·Granted Jan 3, 2006·28 cites·16 claims
- 3682US7288203B2Process for producing structure, process for producing magnetic recording medium, and process for producing molded productCANON KK·Filed 2005·Granted Oct 30, 2007·4 cites·8 claims
- 3782US7126975B2Electron-beam excitation laserCANON KK·Filed 2004·Granted Oct 24, 2006·14 cites·21 claims
- 3882US7100263B2Structure manufacturing methodCANON KK·Filed 2004·Granted Sep 5, 2006·24 cites·10 claims
- 3981US7455759B2Method for production of a structure with pores by anodizingCANON KK·Filed 2004·Granted Nov 25, 2008·12 cites·8 claims
- 4081US7214418B2Structure having holes and method for producing the sameCANON KK·Filed 2005·Granted May 8, 2007·9 cites·6 claims
- 4181US6860982B2Zinc oxide with acicular structure, process for its production, and photoelectric conversion deviceCANON KK·Filed 2002·Granted Mar 1, 2005·29 cites·9 claims
- 4280US7591641B2Mold and process of production thereofCANON KK·Filed 2006·Granted Sep 22, 2009·7 cites·7 claims
- 4380US7387967B2Columnar structured material and method of manufacturing the sameCANON KK·Filed 2003·Granted Jun 17, 2008·20 cites·13 claims
- 4480US7081303B2Function device and method for manufacturing the same, perpendicular magnetic recording medium, magnetic recording/reproduction apparatus and information processing apparatusCANON KK·Filed 2003·Granted Jul 25, 2006·26 cites·19 claims
- 4579US7329387B2Field-effect transistor, sensor using it, and production method thereofCANON KK·Filed 2004·Granted Feb 12, 2008·16 cites·9 claims
- 4679US6717777B2Magnetic device with porous layer and method for manufacturing the same, and solid magnetic memoryCANON KK·Filed 2001·Granted Apr 6, 2004·27 cites·10 claims
- 4779US5155093ALight detecting device and light detecting method using a superconnectorCANON KK·Filed 1990·Granted Oct 13, 1992·47 cites·20 claims
- 4878US8022610B2Electronic device containing carbon nanotubesCANON KK·Filed 2008·Granted Sep 20, 2011·2 cites·9 claims
- 4978US6924023B2Method of manufacturing a structure having poresCANON KK·Filed 2003·Granted Aug 2, 2005·19 cites·9 claims
- 5077US7087831B2Photoelectric conversion device and method of production thereofCANON KK·Filed 2003·Granted Aug 8, 2006·21 cites·8 claims
Showing the top 50 of 100 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →