Inventor · disambiguated record
Hisakazu Okubo
Also filed as: OKUBO HISAKAZU
3 granted patents·51 citations·filing 1992–2009
70Inventor score
Top patents by PatentIndex Score
3 records- 0175US8246039B2Sheet feeding apparatus and image forming apparatusKOGA HIROTO·Filed 2009·Granted Aug 21, 2012·6 cites·6 claims
- 0273US5371613AImage reading apparatusCANON KK·Filed 1992·Granted Dec 6, 1994·39 cites·15 claims
- 0351US6493535B2Cleaning apparatus and image forming apparatusCANON KK·Filed 2001·Granted Dec 10, 2002·6 cites·38 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →