Inventor · disambiguated record
Youji Takeuchi
Also filed as: TAKEUCHI YOUJI
9 granted patents·81 citations·filing 1993–2010
85Inventor score
Files withMITSUBISHI PENCIL KABUSHIKIKAI4HARA TOMITARO1HITACHI MAXELL1KONDO HIROKI1MITSUBISHI PENCIL CO1
Top patents by PatentIndex Score
9 records- 0189US7025907B2Carbon-containing lithium-iron composite phosphorus oxide for lithium secondary battery positive electrode active material and process for producing the sameTOYOTA CHUO KENKYUSHO KK·Filed 2002·Granted Apr 11, 2006·55 cites·12 claims
- 0265US8507130B2Water based lithium secondary batteryKONDO HIROKI·Filed 2008·Granted Aug 13, 2013·1 cites·10 claims
- 0358US6827767B2Ink for ball-point pen and ball-point penMITSUBISHI PENCIL KABUSHIKIKAI·Filed 2000·Granted Dec 7, 2004·4 cites·2 claims
- 0444US9209462B2Non-aqueous electrolyte solution type lithium ion secondary batteryHARA TOMITARO·Filed 2010·Granted Dec 8, 2015·0 cites·4 claims
- 0544US6818047B2Ink for ball pen and ball penMITSUBISHI PENCIL KABUSHIKIKAI·Filed 2000·Granted Nov 16, 2004·1 cites·5 claims
- 0643US5635307AThin-film electroluminescent elementHITACHI MAXELL·Filed 1993·Granted Jun 3, 1997·10 cites·5 claims
- 0733US6376560B1Ink follower for water-base ballpoint pens and method of manufacturing the sameMITSUBISHI PENCIL KABUSHIKIKAI·Filed 1998·Granted Apr 23, 2002·4 cites·21 claims
- 0833US6227738B1Method of manufacturing ink follower for water-base ballpoint pensMITSUBISHI PENCIL KABUSHIKIKAI·Filed 1998·Granted May 8, 2001·3 cites·38 claims
- 0931US6391927B1Method for manufacturing ink follower for water base ballpoint pensMITSUBISHI PENCIL CO·Filed 1998·Granted May 21, 2002·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →