Inventor · disambiguated record
Katsura Hirai
Also filed as: HIRAI KATSURA
31 granted patents·17 pending applications·688 citations·filing 1991–2009
97Inventor score
Files withKONICA MINOLTA HOLDINGS INC25KONISHIROKU PHOTO IND12HIRAI KATSURA5OBUCHI REIKO2TANAKA TATSUO2
Top patents by PatentIndex Score
48 records- 0194US6297001B1Photothermographic materialKONISHIROKU PHOTO IND·Filed 2000·Granted Oct 2, 2001·17 cites·16 claims
- 0293US7968383B2Electronic device and method of manufacturing the sameKONICA MINOLTA HOLDINGS INC·Filed 2008·Granted Jun 28, 2011·26 cites·22 claims
- 0393US7582897B2Organic semiconductor composition, organic semiconductor element, and their manufacturing methodKONICA MINOLTA HOLDINGS INC·Filed 2006·Granted Sep 1, 2009·12 cites·17 claims
- 0493US6794220B2Organic thin-film semiconductor element and manufacturing method for the sameKONISHIROKU PHOTO IND·Filed 2002·Granted Sep 21, 2004·95 cites·17 claims
- 0593US6740900B2Organic thin-film transistor and manufacturing method for the sameKONISHIROKU PHOTO IND·Filed 2003·Granted May 25, 2004·93 cites·4 claims
- 0691US6174646B1Image forming methodKONISHIROKU PHOTO IND·Filed 1998·Granted Jan 16, 2001·63 cites·21 claims
- 0790US6913944B2Organic thin-film transistor manufacturing method, organic thin-film transistor, and organic thin-film transistor sheetKONICA MINOLTA HOLDINGS INC·Filed 2003·Granted Jul 5, 2005·49 cites·16 claims
- 0888US7081210B2Organic semiconductor compositionKONICA MINOLTA HOLDINGS INC·Filed 2003·Granted Jul 25, 2006·23 cites·13 claims
- 0988US6399270B1Support for printing plate and printing plateKONISHIROKU PHOTO IND·Filed 1999·Granted Jun 4, 2002·53 cites·15 claims
- 1087US7037767B2Thin-film transistor, thin-film transistor sheet and their manufacturing methodKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted May 2, 2006·37 cites·6 claims
- 1187US6475715B2Photothermographic material and image forming methodKONISHIROKU PHOTO IND·Filed 2001·Granted Nov 5, 2002·9 cites·17 claims
- 1285US5238778AMethod of forming printing plates by heat transferKONISHIROKU PHOTO IND·Filed 1991·Granted Aug 24, 1993·53 cites·10 claims
- 1384US7947537B2Metal oxide semiconductor, semiconductor element, thin film transistor and method of manufacturing thereofKONICA MINOLTA HOLDINGS INC·Filed 2008·Granted May 24, 2011·10 cites·11 claims
- 1483US7368331B2Manufacturing method of thin-film transistor, thin-film transistor sheet, and electric circuitKONICA MINOLTA HOLDINGS INC·Filed 2003·Granted May 6, 2008·20 cites·8 claims
- 1582US7018872B2Organic thin-film transistor, organic thin-film transistor sheet and manufacturing method thereofKONICA CORP·Filed 2003·Granted Mar 28, 2006·33 cites·14 claims
- 1682US5437952ALithographic photosensitive printing plate comprising a photoconductor and a naphtho-quinone diazide sulfonic acid ester of a phenol resinKONISHIROKU PHOTO IND·Filed 1993·Granted Aug 1, 1995·26 cites·14 claims
- 1780US7709829B2Organic semiconductor material, organic transistor, field effect transistor, switching device and thiazole compoundKONICA MINOLTA HOLDINGS INC·Filed 2005·Granted May 4, 2010·4 cites·8 claims
- 1880US7573062B2Thin-film transistor, thin-film transistor sheet and their manufacturing methodKONICA MINOLTA HOLDINGS INC·Filed 2008·Granted Aug 11, 2009·4 cites·4 claims
- 1979US7393727B2Manufacturing method of thin-film transistor, thin-film transistor sheet, and electric circuitKONICA MINOLTA HOLDINGS INC·Filed 2006·Granted Jul 1, 2008·4 cites·32 claims
- 2079US7391049B2Thin-film transistor, thin-film transistor sheet and their manufacturing methodKONICA MINOLTA HOLDINGS INC·Filed 2006·Granted Jun 24, 2008·4 cites·4 claims
- 2178US7682867B2Organic thin-film transistor and manufacturing method thereofKONICA MINOLTA HOLDINGS INC·Filed 2007·Granted Mar 23, 2010·4 cites·9 claims
- 2272US7800103B2Organic thin film transistor material, organic thin film transistor, field-effect transistor, switching element, organic semiconductor material and organic semiconductor filmKONICA MINOLTA HOLDINGS INC·Filed 2005·Granted Sep 21, 2010·3 cites·15 claims
- 2363US5932392AImage forming material and image forming methodKONISHIROKU PHOTO IND·Filed 1997·Granted Aug 3, 1999·18 cites·12 claims
- 2461US5380612AProcess for manufacturing planographic printing plateKONISHIROKU PHOTO IND·Filed 1993·Granted Jan 10, 1995·13 cites·12 claims
- 2560US7910469B2Electrical circuit, thin film transistor, method for manufacturing electric circuit and method for manufacturing thin film transistorKONICA MINOLTA HOLDINGS INC·Filed 2003·Granted Mar 22, 2011·6 cites·23 claims
- 2659US7645630B2Manufacturing method for thin-film transistorKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted Jan 12, 2010·3 cites·23 claims
- 2757US2010019319A1Manufacturing method of thin-film transistor, thin-film transistor sheet, and electric circuitHIRAI KATSURA·Filed 2008·Application pending·0 cites
- 2857US2008230774A1Organic thin-film transistor manufacturing method, organic thin-film transistor, and organic thin-film transistor sheetKONICA MINOLTA HOLDINGS INC·Filed 2008·Application pending·0 cites
- 2957US2008197349A1Manufacturing method of thin-film transistor, thin film transistor sheet, and electric circuitHIRAI KATSURA·Filed 2008·Application pending·0 cites
- 3056US2007221918A1Organic thin-film transistor manufacturing method, organic thin-film transistor, and organic thin-film transistor sheetHIRAI KATSURA·Filed 2007·Application pending·0 cites
- 3151US8080438B2Organic semiconductor film forming method, organic semiconductor film and organic thin film transistorOBUCHI REIKO·Filed 2006·Granted Dec 20, 2011·1 cites·11 claims
- 3251US2005156163A1Organic thin-film transistor manufacturing method, organic thin-film transistor, and organic thin-film transistor sheetFiled 2005·Application pending·0 cites
- 3350US7816263B2Method for manufacturing thin film transistorKONICA MINOLTA HOLDINGS INC·Filed 2006·Granted Oct 19, 2010·0 cites·2 claims
- 3450US2010072435A1Production method of metal oxide precursor layer, production method of metal oxide layer, and electronic deviceKONICA MINOLTA HOLDINGS INC·Filed 2009·Application pending·0 cites
- 3549US2009114908A1Organic semiconductor thin film, organic thin film transistor and method of manufacturing organic thin film transistorKONICA MINOLTA HOLDINGS INC·Filed 2007·Application pending·0 cites
- 3648US2009256142A1Organic thin film transistor and method for manufacturing sameKONICA MINOLTA HOLDINGS INC·Filed 2007·Application pending·0 cites
- 3745US2010184253A1Process for manufacturing thin film transistorKONICA MINOLTA HOLDINGS INC·Filed 2009·Application pending·0 cites
- 3844US2008048181A1Organic Semiconductor Thin Film, Organic Semiconductor Device, Organic Thin Film Transistor and Organic Electronic Luminescence ElementTANAKA TATSUO·Filed 2005·Application pending·0 cites
- 3944US2006060834A1Organic thin-film transistor and method for manufacturing organic thin-film transistorKONICA MINOLTA HOLDINGS INC·Filed 2003·Application pending·0 cites
- 4043US8003435B2Method of manufacturing organic film transistorKONICA MINOLTA HOLDINGS INC·Filed 2005·Granted Aug 23, 2011·0 cites·5 claims
- 4143US2006145148A1Method for forming organic semiconductor layer and organic thin film transistorHIRAI KATSURA·Filed 2005·Application pending·0 cites
- 4241US2011220895A1Thin film transistor and method of manufacturing thin film transistorKONICA MINOLTA HOLDINGS INC·Filed 2009·Application pending·0 cites
- 4340US2004201064A1Organic thin-film semiconductor element and manufacturing method for the sameKONISHIROKU PHOTO IND·Filed 2004·Application pending·0 cites
- 4438US6391512B1Image forming material and image forming methodKONISHIROKU PHOTO IND·Filed 1996·Granted May 21, 2002·5 cites·8 claims
- 4538US2005233491A1Thin-film transistor sheet and manufacturing method thereofKONICA MINOLTA HOLDINGS INC·Filed 2005·Application pending·0 cites
- 4637US2007243658A1Production method of crystalline organic semiconductor thin film, organic semiconductor thin film, electronic device, and thin film transistorHIRAI KATSURA·Filed 2007·Application pending·0 cites
- 4730US8129497B2Organic thin film transistorTANAKA TATSUO·Filed 2005·Granted Mar 6, 2012·0 cites·9 claims
- 4830US2009111210A1Method for Organic Semiconductor Material Thin-Film Formation and Process for Producing Organic Thin Film TransistorOBUCHI REIKO·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →