Inventor · disambiguated record
Shigeru Okumura
Also filed as: OKUMURA SHIGERU
4 granted patents·48 citations·filing 1995–2002
76Inventor score
Top patents by PatentIndex Score
4 records- 0179US7070352B2Writing implementMITSUBISHI PENCIL KABUSHIKIKAI·Filed 2002·Granted Jul 4, 2006·17 cites·13 claims
- 0261US5580374AAqueous ink composition for ball point penMITSUBISHI PENCIL CO·Filed 1995·Granted Dec 3, 1996·22 cites·8 claims
- 0355US7011466B2Writing implementMITSUBISHI PENCIL KABUSHIKIKAI·Filed 2001·Granted Mar 14, 2006·5 cites·14 claims
- 0453US7083349B2Writing implementMITSUBISHI PENCIL KABUSHIKIKAI·Filed 2002·Granted Aug 1, 2006·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →