Inventor · disambiguated record
Seiji Hanaoka
Also filed as: HANAOKA SEIJI
8 granted patents·148 citations·filing 1974–1988
88Inventor score
Technology areasB41J
Top patents by PatentIndex Score
8 records- 0193US4259026ADot printer having concentric driving camsSUWA SEIKOSHA KK·Filed 1979·Granted Mar 31, 1981·46 cites·29 claims
- 0288US4471363AMethod and apparatus for driving an ink jet printer headEPSON CORP·Filed 1981·Granted Sep 11, 1984·49 cites·25 claims
- 0375US4222674AHead portion of a dot printerSUWA SEIKOSHA KK·Filed 1978·Granted Sep 16, 1980·16 cites·20 claims
- 0464US4033256APrinterSUWA SEIKOSHA KK·Filed 1975·Granted Jul 5, 1977·12 cites·8 claims
- 0549US4175876ADrive mechanism for printerEPSON CORP·Filed 1977·Granted Nov 27, 1979·6 cites·42 claims
- 0646US4164181APrinterSHINSHU K K·Filed 1977·Granted Aug 14, 1979·7 cites·7 claims
- 0739US4822186ACarriage mechanism for thermal printerSEIKO EPSON CORP·Filed 1988·Granted Apr 18, 1989·6 cites·3 claims
- 0839US3954055AParallel printerSUWA SEIKOSHA KK·Filed 1974·Granted May 4, 1976·6 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →