Inventor · disambiguated record
Mitsuaki Hayakawa
Also filed as: HAYAKAWA MITSUAKI
3 granted patents·67 citations·filing 1987–1989
72Inventor score
Files withHITACHI KOKI KK3
Top patents by PatentIndex Score
3 records- 0189US4806979ADuplex printing machineHITACHI KOKI KK·Filed 1987·Granted Feb 21, 1989·42 cites·3 claims
- 0269US5092579AMechanism for preventing skew of cut paper sheetHITACHI KOKI KK·Filed 1989·Granted Mar 3, 1992·19 cites·5 claims
- 0341US4821077ACleaner for toner fixing deviceHITACHI KOKI KK·Filed 1987·Granted Apr 11, 1989·6 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →