Inventor · disambiguated record
Koichi Toba
Also filed as: TOBA KOICHI
67 granted patents·7 pending applications·926 citations·filing 1987–2023
99Inventor score
Files withSEIKO EPSON CORP41RENESAS ELECTRONICS CORP11RENESAS TECH CORP8TOBA KOICHI6KAWASHIMA YOSHIYUKI4
Top patents by PatentIndex Score
74 records- 0199US10350901B2Ink bottleSEIKO EPSON CORP·Filed 2017·Granted Jul 16, 2019·33 cites·14 claims
- 0298US11192380B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2019·Granted Dec 7, 2021·17 cites·18 claims
- 0397US6634738B1Ink cartridge for ink-jet printing apparatusSEIKO EPSON CORP·Filed 2000·Granted Oct 21, 2003·80 cites·25 claims
- 0497US6554412B1Ink cartridge, ink jet recorder, and method of mounting ink cartridgeSEIKO EPSON CORP·Filed 2000·Granted Apr 29, 2003·91 cites·46 claims
- 0594US7863670B2Semiconductor device and a method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2009·Granted Jan 4, 2011·28 cites·4 claims
- 0694US6786581B1Ink-jet printing apparatus and ink cartridgeSEIKO EPSON CORP·Filed 1999·Granted Sep 7, 2004·80 cites·44 claims
- 0793US7557005B2Semiconductor device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2007·Granted Jul 7, 2009·24 cites·4 claims
- 0892US7125108B2Liquid cartridgeSEIKO EPSON CORP·Filed 2003·Granted Oct 24, 2006·45 cites·23 claims
- 0992US6899417B1Ink cartridge for use in an ink jet recording apparatusSEIKO EPSON CORP·Filed 2000·Granted May 31, 2005·41 cites·28 claims
- 1091US7767522B2Semiconductor device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2007·Granted Aug 3, 2010·17 cites·9 claims
- 1191US6929363B2Ink cartridge vacuum package and ink cartridge vacuum packaging methodSEIKO EPSON CORP·Filed 2002·Granted Aug 16, 2005·39 cites·32 claims
- 1290US7658480B2Method of liquid filling of cartridge, liquid filling device, and cartridgeSEIKO EPSON CORP·Filed 2005·Granted Feb 9, 2010·11 cites·16 claims
- 1390US7029104B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2002·Granted Apr 18, 2006·32 cites·8 claims
- 1487US7992984B2Liquid containerSEIKO EPSON CORP·Filed 2008·Granted Aug 9, 2011·9 cites·19 claims
- 1587US7249821B2Ink cartridge and recording apparatusSEIKO EPSON CORP·Filed 2006·Granted Jul 31, 2007·7 cites·4 claims
- 1687US7090344B2Ink cartridge for use in an ink jet recording apparatusSEIKO EPSON CORP·Filed 2005·Granted Aug 15, 2006·8 cites·9 claims
- 1786US9159843B2Semiconductor device and method of manufacturing the sameSAITO KENTARO·Filed 2012·Granted Oct 13, 2015·10 cites·12 claims
- 1885US11932022B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2023·Granted Mar 19, 2024·0 cites·15 claims
- 1985US9373630B2Method of manufacturing semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Jun 21, 2016·3 cites·10 claims
- 2085US6886927B2Ink-jet printing apparatus and ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted May 3, 2005·20 cites·8 claims
- 2184US8084800B2Semiconductor device and a method of manufacturing the sameKAWASHIMA YOSHIYUKI·Filed 2008·Granted Dec 27, 2011·7 cites·22 claims
- 2284US6938997B2Ink cartridge and vacuum-packaging product containing the sameSEIKO EPSON CORP·Filed 2003·Granted Sep 6, 2005·25 cites·17 claims
- 2384US6467873B1Ink jet recording apparatusSEIKO EPSON CORP·Filed 2000·Granted Oct 22, 2002·26 cites·19 claims
- 2483US8431978B2Semiconductor device and a method of manufacturing the sameKAWASHIMA YOSHIYUKI·Filed 2012·Granted Apr 30, 2013·4 cites·4 claims
- 2582US8497547B2Semiconductor device and a method of manufacturing the sameTOBA KOICHI·Filed 2012·Granted Jul 30, 2013·5 cites·7 claims
- 2681US8269266B2Semiconductor device and a method of manufacturing the sameTOBA KOICHI·Filed 2010·Granted Sep 18, 2012·5 cites·7 claims
- 2781US7411238B2Semiconductor integrated circuit device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2006·Granted Aug 12, 2008·10 cites·10 claims
- 2881US6502929B1Laminated ink jet recording head having a plurality of actuator unitsSEIKO EPSON CORP·Filed 1994·Granted Jan 7, 2003·34 cites·24 claims
- 2980US11597207B2Ink bottle and bottle setSEIKO EPSON CORP·Filed 2021·Granted Mar 7, 2023·0 cites·8 claims
- 3080US9379127B2Semiconductor device and manufacturing method of semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2015·Granted Jun 28, 2016·2 cites·8 claims
- 3180US9029931B2Semiconductor device and manufacturing method thereofKAWASHIMA YOSHIYUKI·Filed 2011·Granted May 12, 2015·4 cites·10 claims
- 3280US7145194B2Semiconductor integrated circuit device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2004·Granted Dec 5, 2006·22 cites·11 claims
- 3378US6796642B2Ink cartridge and its manufacturing methodSEIKO EPSON CORP·Filed 2002·Granted Sep 28, 2004·15 cites·20 claims
- 3477US6908184B2Ink cartridge for ink-jet printing apparatusSEIKO EPSON CORP·Filed 2003·Granted Jun 21, 2005·14 cites·19 claims
- 3576US6984020B2Ink jet printing apparatus and an ink cartridgeSEIKO EPSON CORP·Filed 2002·Granted Jan 10, 2006·16 cites·16 claims
- 3673US8070272B2Liquid container adapted to be mounted on a carriage to reciprocate together with a liquid ejecting headTOBA KOICHI·Filed 2005·Granted Dec 6, 2011·4 cites·15 claims
- 3772US8063433B2Nonvolatile semiconductor memory deviceISHIMARU TETSUYA·Filed 2008·Granted Nov 22, 2011·5 cites·14 claims
- 3871US8530958B2Semiconductor device having split gate type, non-volatile memory cells and a method of manufacturing the sameTOBA KOICHI·Filed 2010·Granted Sep 10, 2013·3 cites·26 claims
- 3971US7745288B2Semiconductor device and a method of manufacturing the sameRENESAS TECH CORP·Filed 2007·Granted Jun 29, 2010·4 cites·6 claims
- 4070US7195345B2Ink-jet printing apparatus and ink cartridgeSEIKO EPSON CORP·Filed 2004·Granted Mar 27, 2007·9 cites·12 claims
- 4168US9520504B2Semiconductor device and method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2014·Granted Dec 13, 2016·2 cites·13 claims
- 4268US4945381AImage forming apparatusSEIKO EPSON CORP·Filed 1987·Granted Jul 31, 1990·21 cites·47 claims
- 4367US10857802B2Liquid containerSEIKO EPSON CORP·Filed 2019·Granted Dec 8, 2020·0 cites·9 claims
- 4467US8975678B2Semiconductor device and a method of manufacturing the sameRENESAS ELECTRONICS CORP·Filed 2013·Granted Mar 10, 2015·1 cites·15 claims
- 4567US7687850B2Semiconductor deviceRENESAS TECH CORP·Filed 2007·Granted Mar 30, 2010·3 cites·29 claims
- 4666US8278169B2Semiconductor device and a method of manufacturing the sameTOBA KOICHI·Filed 2010·Granted Oct 2, 2012·2 cites·6 claims
- 4766USD454363SInk cartridge for printerSEIKO EPSON CORP·Filed 2000·Granted Mar 12, 2002·14 cites·1 claims
- 4865USD455780SInk cartridge for printerSEIKO EPSON CORP·Filed 2000·Granted Apr 16, 2002·13 cites·1 claims
- 4963US8969943B2Semiconductor device and manufacturing method of semiconductor deviceTOBA KOICHI·Filed 2011·Granted Mar 3, 2015·1 cites·19 claims
- 5063US2018207939A1Ink bottle and bottle setSEIKO EPSON CORP·Filed 2018·Application pending·0 cites
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →