Inventor · disambiguated record
Masato Asanuma
Also filed as: ASANUMA MASATO
17 granted patents·2 pending applications·215 citations·filing 1988–2025
94Inventor score
Top patents by PatentIndex Score
19 records- 0187US7352977B2Toner level detection method and image forming apparatus employing such toner level detection methodSHARP KK·Filed 2005·Granted Apr 1, 2008·10 cites·17 claims
- 0284US6226490B1Toner replenishing apparatus and image forming apparatus equipped with sameSHARP KK·Filed 1999·Granted May 1, 2001·36 cites·16 claims
- 0383US5839018AToner density control for an image forming apparatusSHARP KK·Filed 1996·Granted Nov 17, 1998·39 cites·27 claims
- 0474US6512896B2Image forming apparatus with detachable mounting process cartridgeSHARP KK·Filed 2001·Granted Jan 28, 2003·15 cites·13 claims
- 0571US5923922AImage forming apparatus with flying toner detecting deviceSHARP KK·Filed 1996·Granted Jul 13, 1999·22 cites·70 claims
- 0667US6070035AImage forming apparatus having developer supply deviceSHARP KK·Filed 1998·Granted May 30, 2000·18 cites·26 claims
- 0764US4955316ADeveloping deviceSHARP KK·Filed 1989·Granted Sep 11, 1990·13 cites·11 claims
- 0857US5310423ADeveloping unit having capability of efficiently exchanging developing powderSHARP KK·Filed 1992·Granted May 10, 1994·11 cites·13 claims
- 0953US4982691ADeveloping device for electrophotographic apparatus having magnet rollersSHARP KK·Filed 1989·Granted Jan 8, 1991·9 cites·6 claims
- 1051US6157807ACleaning device with electrically biased conveying members for collecting, separating and reusing developerSHARP KK·Filed 1999·Granted Dec 5, 2000·10 cites·8 claims
- 1147US5216470AMethod of determining the density of tonerSHARP KK·Filed 1991·Granted Jun 1, 1993·7 cites·3 claims
- 1246US4914481ADeveloping apparatusSHARP KK·Filed 1988·Granted Apr 3, 1990·7 cites·6 claims
- 1342US5243389AToner hopper having stirring and feeding rollersSHARP KK·Filed 1992·Granted Sep 7, 1993·6 cites·10 claims
- 1441US2025150470A1Security method and security devicePANASONIC AUTOMOTIVE SYSTEMS CO LTD·Filed 2025·Application pending·0 cites
- 1541US2025150485A1Information provision method and information processing devicePANASONIC AUTOMOTIVE SYSTEMS CO LTD·Filed 2025·Application pending·0 cites
- 1639US4891675ADeveloper density detection deviceSHARP KK·Filed 1988·Granted Jan 2, 1990·4 cites·12 claims
- 1736US5842089ADevelopment apparatus for developing electrostatic latent image held by holder by using nonmagnetic one component developerSHARP KK·Filed 1997·Granted Nov 24, 1998·4 cites·7 claims
- 1835US5009187ADeveloping device with shutterSHARP KK·Filed 1988·Granted Apr 23, 1991·3 cites·10 claims
- 1931US4851879ATransfer device in electrophotographic copying machineSHARP KK·Filed 1988·Granted Jul 25, 1989·1 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Masato Asanuma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →