Inventor · disambiguated record
Toshimasa Hamada
Also filed as: HAMADA TOSHIMASA
17 granted patents·161 citations·filing 1984–2020
92Inventor score
Top patents by PatentIndex Score
17 records- 0180US7890029B2Image forming apparatusSHARP KK·Filed 2009·Granted Feb 15, 2011·6 cites·13 claims
- 0279US5926735AMethod of forming semiconductor deviceSEMICONDUCTOR ENERGY LAB·Filed 1997·Granted Jul 20, 1999·42 cites·11 claims
- 0379US5450237AHyperresolution optical systemSHARP KK·Filed 1994·Granted Sep 12, 1995·29 cites·4 claims
- 0475US8135295B2Image forming apparatus with a developing device utilizing an alternating bias voltageHAMADA TOSHIMASA·Filed 2009·Granted Mar 13, 2012·5 cites·20 claims
- 0574US8644741B2Developing device and image forming apparatusHAMADA TOSHIMASA·Filed 2011·Granted Feb 4, 2014·2 cites·20 claims
- 0668US8326195B2Transfer device and image forming apparatusAIMOTO TOYOKA·Filed 2010·Granted Dec 4, 2012·2 cites·10 claims
- 0768US5644124APhotodetector with a multilayer filter and method of producing the sameSHARP KK·Filed 1996·Granted Jul 1, 1997·38 cites·28 claims
- 0861US7664440B2Developing device and image forming apparatus having the sameSHARP KK·Filed 2008·Granted Feb 16, 2010·2 cites·9 claims
- 0958US11960038B2Radiation dosimetry gel and radiation dosimeter comprising same as material for measuring radiation doseRIKEN·Filed 2020·Granted Apr 16, 2024·0 cites·12 claims
- 1054US6620744B2Insulating film formation method, semiconductor device, and production apparatusSHARP KK·Filed 2002·Granted Sep 16, 2003·4 cites·22 claims
- 1148US4586664ABearing supporting system for cone crusherKOBE STEEL LTD·Filed 1984·Granted May 6, 1986·12 cites·8 claims
- 1244US5162797AViterbi decoderMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Nov 10, 1992·12 cites·5 claims
- 1343US7974545B2Developing device and image forming apparatus that utilize a variable AC bias voltageSHARP KK·Filed 2009·Granted Jul 5, 2011·0 cites·14 claims
- 1441US7949270B2Development method and image forming apparatusSHARP KK·Filed 2007·Granted May 24, 2011·0 cites·10 claims
- 1541US7899372B2Developing device and image forming apparatusSHARP KK·Filed 2008·Granted Mar 1, 2011·0 cites·17 claims
- 1640US9002226B2Developing device and image forming apparatusHAMADA TOSHIMASA·Filed 2011·Granted Apr 7, 2015·0 cites·15 claims
- 1735US5648146AMetallic wiring substrateSHARP KK·Filed 1995·Granted Jul 15, 1997·7 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →