Inventor · disambiguated record
Yojiro Sano
Also filed as: SANO YOJIRO
12 granted patents·59 citations·filing 1999–2011
89Inventor score
Top patents by PatentIndex Score
12 records- 0174US6435747B2Double ended direct-feed type writing implementMITSUBISHI PENCIL CO·Filed 2001·Granted Aug 20, 2002·14 cites·16 claims
- 0270US6769827B2Collector type writing implementMITSUBISHI PENCIL CO·Filed 2001·Granted Aug 3, 2004·11 cites·16 claims
- 0361US6619870B2Collector type writing implementMITSUBISHI PENCIL CO·Filed 2000·Granted Sep 16, 2003·7 cites·4 claims
- 0458US6619871B2Collector type writing instrumentMITSUBISHI PENCIL CO·Filed 2000·Granted Sep 16, 2003·6 cites·13 claims
- 0556US8687929B2Optical collimator, optical connector using same and holding member for optical collimatorMORIYA NAOHIKO·Filed 2011·Granted Apr 1, 2014·1 cites·13 claims
- 0656US8142091B2Writing implementSANO YOJIRO·Filed 2008·Granted Mar 27, 2012·1 cites·4 claims
- 0753US6966718B2Writing instrument, writing instrument cap and method of assembly of a writing instrument capMITSUBISHI PENCIL CO·Filed 2002·Granted Nov 22, 2005·4 cites·13 claims
- 0852US6602012B2Collector type writing instrumentMITSUBISHI PENCIL CO·Filed 2000·Granted Aug 5, 2003·4 cites·11 claims
- 0952US6588963B2Collector type writing instrumentMITSUBISHI PENCIL CO·Filed 2000·Granted Jul 8, 2003·4 cites·4 claims
- 1047US6974272B2Writing instrument capMITSUBISHI PENCIL CO·Filed 2002·Granted Dec 13, 2005·2 cites·8 claims
- 1145US7223037B2Production processes for writing instrument and ink occlusion bodyMITSUBISHI PENCIL CO·Filed 2002·Granted May 29, 2007·1 cites·6 claims
- 1236US6371676B1Collector for a writing implementMITSUBISHI PENCIL CO·Filed 1999·Granted Apr 16, 2002·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →