Inventor · disambiguated record
Yoshifumi Homma
Also filed as: HOMMA YOSHIFUMI
6 granted patents·198 citations·filing 1983–1990
85Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0194US5132728ADrum driving unit of electrophotography printerHITACHI LTD·Filed 1990·Granted Jul 21, 1992·128 cites·1 claims
- 0270US4612555ALaser beam scanner apparatusHITACHI LTD·Filed 1984·Granted Sep 16, 1986·31 cites·23 claims
- 0352US4513300AApparatus for driving a semiconductor laser for use in a laser-beam printerHITACHI LTD·Filed 1983·Granted Apr 23, 1985·13 cites·3 claims
- 0450US4809042ALight beam scanning device and electronic photographic recording device using the sameHITACHI LTD·Filed 1987·Granted Feb 28, 1989·11 cites·19 claims
- 0544US5081544AOptical scanning apparatusHITACHI LTD·Filed 1989·Granted Jan 14, 1992·8 cites·10 claims
- 0639US4620768AOptical scanning systemHITACHI LTD·Filed 1983·Granted Nov 4, 1986·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →