Inventor · disambiguated record
Hibiki Tatsuno
Also filed as: TATSUNO HIBIKI
62 granted patents·5 pending applications·310 citations·filing 2004–2025
98Inventor score
Top patents by PatentIndex Score
67 records- 0195US8950874B2Projection optical system and image display apparatusTATSUNO HIBIKI·Filed 2012·Granted Feb 10, 2015·15 cites·19 claims
- 0295US7438443B2Lighting device, image-reading device, color-document reading apparatus, image-forming apparatus, projection apparatusRICOH KK·Filed 2004·Granted Oct 21, 2008·88 cites·58 claims
- 0394US7920304B2Image reading device and image forming apparatusRICOH CO LTD·Filed 2009·Granted Apr 5, 2011·24 cites·19 claims
- 0493US9039196B2Image displaying apparatus having plane mirror at conjugate to image displaying elementHIRAKAWA MAKOTO·Filed 2012·Granted May 26, 2015·14 cites·8 claims
- 0593US8922883B2Magnification optical systemTATSUNO HIBIKI·Filed 2012·Granted Dec 30, 2014·13 cites·15 claims
- 0692US9841584B2Magnification optical systemTATSUNO HIBIKI·Filed 2016·Granted Dec 12, 2017·6 cites·10 claims
- 0792US9069238B2Image displaying apparatusRICOH CO LTD·Filed 2012·Granted Jun 30, 2015·8 cites·17 claims
- 0891US9864177B2Projection optical system, projection apparatus, and projection systemTAKANO YOHEI·Filed 2016·Granted Jan 9, 2018·6 cites·18 claims
- 0988US9348121B2Magnification optical systemTATSUNO HIBIKI·Filed 2015·Granted May 24, 2016·4 cites·11 claims
- 1088US9261767B2Projection optical system and image display apparatusTAKANO YOHEI·Filed 2014·Granted Feb 16, 2016·5 cites·14 claims
- 1188US9229206B2Projection optical system and image projection apparatusTATSUNO HIBIKI·Filed 2013·Granted Jan 5, 2016·8 cites·9 claims
- 1287US6924938B2Zoom lens, camera, and mobile information terminalRICOH KK·Filed 2004·Granted Aug 2, 2005·26 cites·18 claims
- 1386US9046674B2Magnification optical systemTATSUNO HIBIKI·Filed 2014·Granted Jun 2, 2015·4 cites·8 claims
- 1485US10025173B2Projection optical system and image projection apparatusRICOH CO LTD·Filed 2015·Granted Jul 17, 2018·4 cites·11 claims
- 1584US7810931B2Light source apparatus, optical modulation apparatus, display apparatus, light condense illumination apparatus and projection type color display apparatusRICOH KK·Filed 2006·Granted Oct 12, 2010·13 cites·8 claims
- 1683US10310238B2Magnification optical systemRICOH CO LTD·Filed 2017·Granted Jun 4, 2019·2 cites·15 claims
- 1782US8022347B2Optical scanning device, image forming apparatus, and optical scanning method having a plurality of light intensity control devices with a switching unitRICOH CO LTD·Filed 2009·Granted Sep 20, 2011·10 cites·20 claims
- 1880US8717671B2Projection optical system and image projection deviceTATSUNO HIBIKI·Filed 2011·Granted May 6, 2014·5 cites·20 claims
- 1980US7527394B2Image-displaying apparatusRICOH KK·Filed 2005·Granted May 5, 2009·6 cites·55 claims
- 2079US7697762B2Document lighting unit, image scanning unit, and image forming apparatusRICOH KK·Filed 2005·Granted Apr 13, 2010·6 cites·20 claims
- 2178US9983394B2Projection optical system and image display apparatusRICOH CO LTD·Filed 2015·Granted May 29, 2018·2 cites·16 claims
- 2277US8081355B2Illumination unit, image read apparatus, image formation apparatusNISHINA KIICHIRO·Filed 2008·Granted Dec 20, 2011·5 cites·19 claims
- 2375US10241308B2Projection optical system including movable lens groups and image display apparatusRICOH CO LTD·Filed 2017·Granted Mar 26, 2019·1 cites·13 claims
- 2475US7589307B2Image display apparatus that reduces illuminance irregularity, projection-type image display apparatus using the image display apparatus and rear-projection televisonRICOH KK·Filed 2008·Granted Sep 15, 2009·3 cites·8 claims
- 2575US7507942B2Illumination apparatus that suppresses light intensity distribution irregularity and projection-type display apparatus using the illumination apparatusRICOH KK·Filed 2007·Granted Mar 24, 2009·6 cites·18 claims
- 2674US8670472B2Optical scanning device and image forming apparatusTATSUNO HIBIKI·Filed 2010·Granted Mar 11, 2014·3 cites·10 claims
- 2773US7164541B2Zoom lens, camera, and mobile information terminalRICOH KK·Filed 2005·Granted Jan 16, 2007·4 cites·28 claims
- 2873US7064902B2Zoom lens, camera, and mobile information terminalRICOH KK·Filed 2005·Granted Jun 20, 2006·4 cites·17 claims
- 2972US7031074B2Zoom lens, camera, and mobile information terminalRICOH KK·Filed 2005·Granted Apr 18, 2006·4 cites·12 claims
- 3069US10962750B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2020·Granted Mar 30, 2021·0 cites·16 claims
- 3167US8614413B2Image reading apparatus to illuminate light on an original document with an optical member having four planes positioned such that the light incident side is smaller in size than the light exit sideTATSUNO HIBIKI·Filed 2008·Granted Dec 24, 2013·2 cites·9 claims
- 3267US8441512B2Optical scanner and image forming apparatus addressing uneven birefringence distribution of a scanning lensTATSUNO HIBIKI·Filed 2011·Granted May 14, 2013·2 cites·20 claims
- 3366US8929412B2Optical scanning device and image forming apparatusTATSUNO HIBIKI·Filed 2014·Granted Jan 6, 2015·1 cites·11 claims
- 3466US7538916B2Document lighting device, image reader, color document reader, and image forming deviceRICOH KK·Filed 2005·Granted May 26, 2009·4 cites·11 claims
- 3565US10606042B2Magnification optical systemRICOH CO LTD·Filed 2019·Granted Mar 31, 2020·0 cites·9 claims
- 3663US11042082B2Projection optical system including movable lens groups, a non-movable lens group, and a curved mirrorRICOH CO LTD·Filed 2019·Granted Jun 22, 2021·0 cites·16 claims
- 3763US10585269B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2019·Granted Mar 10, 2020·0 cites·16 claims
- 3862US10175568B2Projective optical system and image projection device including a shielding unitTATSUNO HIBIKI·Filed 2014·Granted Jan 8, 2019·1 cites·19 claims
- 3962US8228583B2Optical scanning device and image forming apparatusAMADA TAKU·Filed 2011·Granted Jul 24, 2012·1 cites·14 claims
- 4061US12284451B2Image capturing device, data acquisition unit, image capturing system, and image capturing methodTATSUNO HIBIKI·Filed 2023·Granted Apr 22, 2025·0 cites·13 claims
- 4161US2020004129A1Focus adjustment system for an image display deviceTATSUNO HIBIKI·Filed 2019·Application pending·0 cites
- 4260US10656412B2Image display apparatus and head-up display systemTATSUNO HIBIKI·Filed 2019·Granted May 19, 2020·0 cites·20 claims
- 4360US10228546B2Projection optical system, projection apparatus, and projection systemRICOH CO LTD·Filed 2017·Granted Mar 12, 2019·0 cites·16 claims
- 4459US9167122B2Image reading device and image forming deviceTATSUNO HIBIKI·Filed 2014·Granted Oct 20, 2015·0 cites·18 claims
- 4559US8837027B2Optical scanning device and image forming apparatusTATSUNO HIBIKI·Filed 2014·Granted Sep 16, 2014·0 cites·10 claims
- 4659US2025209574A1Information processing device, information processing method, computer-readable medium, and information processing systemYAMAMOTO RYOUJI·Filed 2025·Application pending·0 cites
- 4758US12307640B2Information processing apparatus, information processing system, apparatus, and method generates surface and cross-section images indicating particular positions, and non-transitory computer-executable storage mediumTATSUNO HIBIKI·Filed 2022·Granted May 20, 2025·0 cites·20 claims
- 4857US8894219B2Image projector having an optical projection system with independently focusing lensTATSUNO HIBIKI·Filed 2014·Granted Nov 25, 2014·0 cites·10 claims
- 4957US8867108B2Image reading device and image forming deviceTATSUNO HIBIKI·Filed 2008·Granted Oct 21, 2014·0 cites·14 claims
- 5055US10338381B2Image display apparatus and head-up display systemTATSUNO HIBIKI·Filed 2017·Granted Jul 2, 2019·0 cites·20 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →