Inventor · disambiguated record
Yoji Takeuchi
Also filed as: TAKEUCHI YOJI
29 granted patents·5 pending applications·312 citations·filing 1973–2020
96Inventor score
Files withMITSUBISHI PENCIL CO18HITACHI MAXELL6KONAMI DIGITAL ENTERTAINMENT CO LTD3TOYOTA CHUO KENKYUSHO KK2CITIZEN WATCH CO LTD1
Top patents by PatentIndex Score
34 records- 0190US5611958AInfrared phosphor and material having latent images and optical reading system using said phosphorHITACHI MAXELL·Filed 1994·Granted Mar 18, 1997·72 cites·11 claims
- 0278US6776829B2Water-based ink composition for writing utensilMITSUBISHI PENCIL CO·Filed 2001·Granted Aug 17, 2004·15 cites·8 claims
- 0377US9416286B2Ink composition for aqueous ballpoint penMITSUBISHI PENCIL CO·Filed 2013·Granted Aug 16, 2016·2 cites·4 claims
- 0474US5463212ALatent image forming member and method of manufacturing, latent image reading apparatus and latent image reading systemHITACHI MAXELL·Filed 1993·Granted Oct 31, 1995·52 cites·18 claims
- 0568US5990201APseudo-plastic aqueous ink for ball point penMITSUBISHI PENCIL CO·Filed 1998·Granted Nov 23, 1999·25 cites·5 claims
- 0663US6613135B1Pseudo-plastic water based ink for ballpoint penMITSUBISHI PENCIL CO·Filed 1999·Granted Sep 2, 2003·21 cites·2 claims
- 0759US7345100B2Water-based ink composition for ball-point penMITSUBISHI PENCIL CO·Filed 2002·Granted Mar 18, 2008·4 cites·6 claims
- 0858US6264729B1Water based ink composition for writing instrumentMITSUBISHI PENCIL CO·Filed 1998·Granted Jul 24, 2001·17 cites·3 claims
- 0957US9375642B2Network game system, control method of network game system, game device, control method of game device, program, and information storage mediumTERADA TOSHIYUKI·Filed 2008·Granted Jun 28, 2016·0 cites·20 claims
- 1056US7279512B2Water-based ink composition for ballpoint penMITSUBISHI PENCIL CO·Filed 2002·Granted Oct 9, 2007·3 cites·2 claims
- 1156US4830923AMagnetic recording mediumHITACHI MAXELL·Filed 1986·Granted May 16, 1989·16 cites·19 claims
- 1253US10016687B2Game system, server device, control method for server device, program, and information recording mediumKONAMI DIGITAL ENTERTAINMENT CO LTD·Filed 2013·Granted Jul 10, 2018·0 cites·11 claims
- 1351US7742462B2CD-ROM on which a program for functioning as an IP telephone terminal is recorded, management server, operation server, and IP telephone terminal setup methodTAKEUCHI YOJI·Filed 2005·Granted Jun 22, 2010·1 cites·10 claims
- 1450US4803125AMagnetic recording mediumHITACHI MAXELL·Filed 1987·Granted Feb 7, 1989·12 cites·7 claims
- 1548US6139774AFluorescent substanceHITACHI MAXELL·Filed 1997·Granted Oct 31, 2000·9 cites·14 claims
- 1648US2016264801A1Aqueous ink composition for writing instrumentsMITSUBISHI PENCIL CO·Filed 2014·Application pending·0 cites
- 1747US6261351B1Water based ink for ball point penMITSUBISHI PENCIL CO·Filed 1998·Granted Jul 17, 2001·11 cites·2 claims
- 1847US2016264800A1Aqueous ink composition for writing instrumentsMITSUBISHI PENCIL CO·Filed 2014·Application pending·0 cites
- 1946US7201999B2Secondary cellTOYOTA CHUO KENKYUSHO KK·Filed 2003·Granted Apr 10, 2007·0 cites·11 claims
- 2046US6176910B1Pseudoplastic water based ink for ballpoint penMITSUBISHI PENCIL CO·Filed 1998·Granted Jan 23, 2001·10 cites·2 claims
- 2146US6146452APseudoplastic water based ink for ballpoint penMITSUBISHI PENCIL CO·Filed 1997·Granted Nov 14, 2000·10 cites·2 claims
- 2245US9713773B2Game system, server device, control method for server device, program, and information recording mediumKONAMI DIGITAL ENTERTAINMENT CO LTD·Filed 2013·Granted Jul 25, 2017·0 cites·15 claims
- 2344US6423127B1Pseudo-plastic water base ink for ball point penMITSUBISHI PENCIL CO·Filed 1998·Granted Jul 23, 2002·9 cites·2 claims
- 2444US2011143205A1Negative electrode active material for nonaqueous secondary battery, nonaqueous secondary battery, and using methodTOYOTA CHUO KENKYUSHO KK·Filed 2010·Application pending·0 cites
- 2543US7179006B2Ink followerMITSUBISHI PENCIL CO·Filed 2003·Granted Feb 20, 2007·0 cites·2 claims
- 2643US6605143B2Water based ink composition for writing instrumentMITSUBISHI PENCIL CO·Filed 2001·Granted Aug 12, 2003·0 cites·7 claims
- 2743US2002105946A1Internet IP telephone switching system, internet-oriented IP telephone apparatus, internet IP telephone connection management method, telephone number automatic receiving/sending method, and computer readable medium on which an internet IP telephone switching program is recordedFiled 2002·Application pending·0 cites
- 2842US7179005B2Ink follower for water-based ink ballpoint penMITSUBISHI PENCIL CO·Filed 2002·Granted Feb 20, 2007·0 cites·15 claims
- 2941US6634264B1Capstan restCITIZEN WATCH CO LTD·Filed 1998·Granted Oct 21, 2003·10 cites·16 claims
- 3038US11951393B2Game system, terminal apparatus, and recording mediumKONAMI DIGITAL ENTERTAINMENT CO LTD·Filed 2020·Granted Apr 9, 2024·0 cites·20 claims
- 3136US2017275484A1Aqueous ink composition for writing instrumentsMITSUBISHI PENCIL CO·Filed 2015·Application pending·0 cites
- 3234US6599352B1Water-based ink composition for writing instrumentMITSUBISHI PENCIL CO·Filed 1999·Granted Jul 29, 2003·4 cites·2 claims
- 3334US3934139AApparatus for measuring calorific power of hydrocarbon compoundsYOKOGAWA ELECTRIC WORKS LTD·Filed 1973·Granted Jan 20, 1976·6 cites·11 claims
- 3433US4698279AMagnetic recording mediumHITACHI MAXELL·Filed 1986·Granted Oct 6, 1987·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →