Inventor · disambiguated record
Tatsuhiko Hayakawa
Also filed as: HAYAKAWA TATSUHIKO
5 granted patents·82 citations·filing 1994–1996
82Inventor score
Files withCANON KK5
Top patents by PatentIndex Score
5 records- 0177US5873010AImage forming apparatus for performing correction control, based on density of toner imageCANON KK·Filed 1994·Granted Feb 16, 1999·22 cites·8 claims
- 0266US5930570AOriented foamed rotary member, and developing device using sameCANON KK·Filed 1996·Granted Jul 27, 1999·26 cites·14 claims
- 0364US5697028ADeveloper-supplying roller having a surface-modifying powderCANON KK·Filed 1995·Granted Dec 9, 1997·16 cites·8 claims
- 0456US5666597AImage forming apparatus with delayed discharge by discharge meansCANON KK·Filed 1996·Granted Sep 9, 1997·12 cites·42 claims
- 0544US5548381ADeveloping apparatus forming alternating electric field between image bearing member and toner carrying memberCANON KK·Filed 1994·Granted Aug 20, 1996·6 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →