Inventor · disambiguated record
Yasumasa Tomita
Also filed as: TOMITA YASUMASA
15 granted patents·2 pending applications·1,405 citations·filing 1997–2017
94Inventor score
Top patents by PatentIndex Score
17 records- 0198US7598972B2Optical scanning device and image forming apparatusRICOH KK·Filed 2006·Granted Oct 6, 2009·1k cites·9 claims
- 0288US6732372B2Transmission device and terminal device for automatic reception/recording of broadcast programsFUJITSU LTD·Filed 1997·Granted May 4, 2004·130 cites·6 claims
- 0386US7821678B2Image forming apparatus capable of producing a high-precision light beam with a simple structureRICOH KK·Filed 2006·Granted Oct 26, 2010·9 cites·14 claims
- 0482US7538924B2Optical scanner and image forming apparatus including a light shielding device disposed between light beams that fall on the deflecting unit and light beams that are deflected from the deflecting unitRICOH KK·Filed 2005·Granted May 26, 2009·7 cites·13 claims
- 0580US7355617B2Optical scanner and image forming apparatusRICOH KK·Filed 2007·Granted Apr 8, 2008·5 cites·9 claims
- 0677US7612928B2Optical scanning apparatus, image forming apparatus using the same and method of regulating the optical scanning apparatusRICOH KK·Filed 2007·Granted Nov 3, 2009·8 cites·16 claims
- 0774US6230324B1Device for transmitting broadcast-program information and allowing other information sources to be accessedFUJITSU LTD·Filed 1997·Granted May 8, 2001·92 cites·15 claims
- 0874US6100884ADevice for delivering listings of broadcast programs via networkFUJITSU LTD·Filed 1997·Granted Aug 8, 2000·94 cites·23 claims
- 0971US7593149B2Optical scanning unit having more maintenance-friendly adjustable lens having a support member with first and second faces, an adjusting member and moving member opposite the adjusting member, and image forming apparatus including the sameRICOH KK·Filed 2007·Granted Sep 22, 2009·3 cites·17 claims
- 1071US7256813B2Optical scanner and image forming apparatusRICOH KK·Filed 2003·Granted Aug 14, 2007·9 cites·7 claims
- 1168US7319475B2Method and apparatus for image forming capable of preventing image quality deterioration induced by heat from an optical deflectorRICOH KK·Filed 2004·Granted Jan 15, 2008·8 cites·73 claims
- 1267US8384752B2Optical scanning unit and image forming apparatus using sameRICOH CO LTD·Filed 2008·Granted Feb 26, 2013·2 cites·21 claims
- 1357US7038194B2Multiple-beam scanning device and image forming apparatus including the multiple-beam scanning deviceRICOH KK·Filed 2003·Granted May 2, 2006·6 cites·20 claims
- 1455US2008225365A1Optical scanning device and image forming apparatus using the deviceTOMITA YASUMASA·Filed 2008·Application pending·0 cites
- 1551US7397589B2Optical scanning device and image forming apparatus using the deviceRICOH KK·Filed 2004·Granted Jul 8, 2008·0 cites·20 claims
- 1644US2017373313A1Positive electrode active material for non-aqueous electrolyte secondary cell, method for manufacturing said positive electrode active material, cell containing said positive electrode active material, and method for charging cellYAMAHA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 1741US6161551AAutomatic smoking machineJAPAN TOBACCO INC·Filed 1997·Granted Dec 19, 2000·14 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →