Inventor · disambiguated record
Shigeru Obata
Also filed as: OBATA SHIGERU
21 granted patents·4 pending applications·256 citations·filing 1988–2025
95Inventor score
Top patents by PatentIndex Score
25 records- 0195US7298981B2Fixing device and image forming apparatus with guide having adjustable biasing angleRICOH PRINTING SYS LTD·Filed 2005·Granted Nov 20, 2007·23 cites·11 claims
- 0291US7167670B2Electro-photographic apparatus with a heating roller and pressurizing memberRICOH PRINTING SYS LTD·Filed 2005·Granted Jan 23, 2007·14 cites·3 claims
- 0389US7953361B2Fixing device and image forming apparatusRICOH CO LTD·Filed 2007·Granted May 31, 2011·11 cites·25 claims
- 0487US7664447B2Fixing device and image forming apparatusRICOH KK·Filed 2007·Granted Feb 16, 2010·9 cites·27 claims
- 0585US7831186B2Fixing device and image forming apparatusRICOH KK·Filed 2007·Granted Nov 9, 2010·8 cites·20 claims
- 0683US7406287B2Fixing device and image forming apparatus provided with fixing deviceRICOH PRINTING SYS LTD·Filed 2007·Granted Jul 29, 2008·8 cites·12 claims
- 0783US5774777AContinuous recording medium friction-conveying mechanism in image forming apparatusHITACHI LTD·Filed 1996·Granted Jun 30, 1998·36 cites·16 claims
- 0880US7761044B2Fixing device and image forming apparatus using the sameRICOH KK·Filed 2006·Granted Jul 20, 2010·6 cites·7 claims
- 0977US5499086ABelt type transfer device for electrophotographic apparatusHITACHI LTD·Filed 1993·Granted Mar 12, 1996·24 cites·22 claims
- 1076US6928257B2Image forming and recording apparatus with three pressure membersRICOH PRINTING SYS LTD·Filed 2003·Granted Aug 9, 2005·16 cites·10 claims
- 1173US6104907AImage recording apparatus which prevents variation in speed of a recording medium and reduces shift values thereofHITACHI LTD·Filed 1998·Granted Aug 15, 2000·22 cites·26 claims
- 1271US2025242589A1Liquid discharge head, head module, liquid discharge apparatus, and method of manufacturing liquid discharge headOBATA SHIGERU·Filed 2025·Application pending·0 cites
- 1370US6701837B2Widthwise paper drift correction device for elongated web-like print paperHITACHI PRINTING SOLUTIONS LTD·Filed 2002·Granted Mar 9, 2004·10 cites·19 claims
- 1470US6285854B1Image recording apparatusHITACHI LTD·Filed 2000·Granted Sep 4, 2001·12 cites·6 claims
- 1568US7136615B2Heat fixing unit with improved belt handlingRICOH PRINTING SYS LTD·Filed 2004·Granted Nov 14, 2006·12 cites·21 claims
- 1664US7433640B2Fixing apparatus and image forming apparatus including heating memberRICOH PRINTING SYS LTD·Filed 2006·Granted Oct 7, 2008·2 cites·12 claims
- 1762US7885591B2Fixing device including a heating unit and a pressurizing unit that includes a rotatable endless member and image forming apparatus having the sameRICOH CO LTD·Filed 2007·Granted Feb 8, 2011·2 cites·14 claims
- 1861US6747844B1Disk driveCITIZEN WATCH CO LTD·Filed 2000·Granted Jun 8, 2004·5 cites·7 claims
- 1961US6553206B2Image forming apparatusHITACHI LTD·Filed 2001·Granted Apr 22, 2003·8 cites·4 claims
- 2056US6741830B2Image forming apparatusHITACHI LTD·Filed 2002·Granted May 25, 2004·5 cites·8 claims
- 2149US5157414AThick film type thermal head and thermal recording deviceHITACHI LTD·Filed 1990·Granted Oct 20, 1992·11 cites·15 claims
- 2247US4835550AThick film type thermal headHITACHI LTD·Filed 1988·Granted May 30, 1989·12 cites·7 claims
- 2338US2008013992A1Fixing device and image forming apparatusFUKUHATA YOSHIHIRO·Filed 2007·Application pending·0 cites
- 2438US2007071467A1Image formation apparatusMITSUYA TERUAKI·Filed 2006·Application pending·0 cites
- 2533US2003215273A1Image forming apparatusFiled 2002·Application pending·0 cites
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