Inventor
TATSUNO HIBIKI
JP64 patents
⚠️ This page may combine multiple inventors who share the name “TATSUNO HIBIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TATSUNO HIBIKI
22 patentsUS8922883B2Dec 30, 2014
Magnification optical system
TATSUNO HIBIKI13 citations92
US9841584B2Dec 12, 2017
Magnification optical system
TATSUNO HIBIKI6 citations84
US9348121B2May 24, 2016
Magnification optical system
TATSUNO HIBIKI4 citations84
US9229206B2Jan 5, 2016
Projection optical system and image projection apparatus
TATSUNO HIBIKI8 citations84
US9046674B2Jun 2, 2015
Magnification optical system
TATSUNO HIBIKI4 citations84
US8950874B2Feb 10, 2015
Projection optical system and image display apparatus
TATSUNO HIBIKI15 citations84
US8717671B2May 6, 2014
Projection optical system and image projection device
TATSUNO HIBIKI5 citations73
US8670472B2Mar 11, 2014
Optical scanning device and image forming apparatus
TATSUNO HIBIKI3 citations63
US8614413B2Dec 24, 2013
Image 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 side
TATSUNO HIBIKI2 citations63
US8441512B2May 14, 2013
Optical scanner and image forming apparatus addressing uneven birefringence distribution of a scanning lens
TATSUNO HIBIKI2 citations63
US12524907B2Jan 13, 2026
Information processing apparatus, information processing system, information processing method, and non-transitory computer-executable medium
TATSUNO HIBIKI0 citations62
US12284451B2Apr 22, 2025
Image capturing device, data acquisition unit, image capturing system, and image capturing method
TATSUNO HIBIKI0 citations62
US10175568B2Jan 8, 2019
Projective optical system and image projection device including a shielding unit
TATSUNO HIBIKI1 citations62
US10656412B2May 19, 2020
Image display apparatus and head-up display system
TATSUNO HIBIKI0 citations52
US10338381B2Jul 2, 2019
Image display apparatus and head-up display system
TATSUNO HIBIKI0 citations52
US9167122B2Oct 20, 2015
Image reading device and image forming device
TATSUNO HIBIKI0 citations52
US8929412B2Jan 6, 2015
Optical scanning device and image forming apparatus
TATSUNO HIBIKI1 citations52
US8901473B2Dec 2, 2014
Projection optical system having an aperture to limit quantity of light to a refractive optical system, and image display device using the same
TATSUNO HIBIKI0 citations52
US8894219B2Nov 25, 2014
Image projector having an optical projection system with independently focusing lens
TATSUNO HIBIKI0 citations52
US8867108B2Oct 21, 2014
Image reading device and image forming device
TATSUNO HIBIKI0 citations52
US8837027B2Sep 16, 2014
Optical scanning device and image forming apparatus
TATSUNO HIBIKI0 citations52
US8746897B2Jun 10, 2014
Image projector having an optical projection system with independently focusing lens
TATSUNO HIBIKI0 citations52
RICOH CO LTD
13 patentsUS7920304B2Apr 5, 2011
Image reading device and image forming apparatus
RICOH CO LTD24 citations92
US9069238B2Jun 30, 2015
Image displaying apparatus
RICOH CO LTD8 citations84
US8022347B2Sep 20, 2011
Optical scanning device, image forming apparatus, and optical scanning method having a plurality of light intensity control devices with a switching unit
RICOH CO LTD10 citations84
US10310238B2Jun 4, 2019
Magnification optical system
RICOH CO LTD2 citations73
US10025173B2Jul 17, 2018
Projection optical system and image projection apparatus
RICOH CO LTD4 citations73
US9983394B2May 29, 2018
Projection optical system and image display apparatus
RICOH CO LTD2 citations73
US10241308B2Mar 26, 2019
Projection optical system including movable lens groups and image display apparatus
RICOH CO LTD1 citations72
US11042013B2Jun 22, 2021
Projection optical system and image projection device
RICOH CO LTD0 citations63
US11042082B2Jun 22, 2021
Projection optical system including movable lens groups, a non-movable lens group, and a curved mirror
RICOH CO LTD0 citations62
US10962750B2Mar 30, 2021
Projection optical system, projection apparatus, and projection system
RICOH CO LTD0 citations62
US10606042B2Mar 31, 2020
Magnification optical system
RICOH CO LTD0 citations52
US10585269B2Mar 10, 2020
Projection optical system, projection apparatus, and projection system
RICOH CO LTD0 citations52
US10228546B2Mar 12, 2019
Projection optical system, projection apparatus, and projection system
RICOH CO LTD0 citations52
RICOH KK
11 patentsUS7438443B2Oct 21, 2008
Lighting device, image-reading device, color-document reading apparatus, image-forming apparatus, projection apparatus
RICOH KK88 citations98
US6924938B2Aug 2, 2005
Zoom lens, camera, and mobile information terminal
RICOH KK26 citations92
US7810931B2Oct 12, 2010
Light source apparatus, optical modulation apparatus, display apparatus, light condense illumination apparatus and projection type color display apparatus
RICOH KK13 citations84
US7507942B2Mar 24, 2009
Illumination apparatus that suppresses light intensity distribution irregularity and projection-type display apparatus using the illumination apparatus
RICOH KK6 citations74
US7164541B2Jan 16, 2007
Zoom lens, camera, and mobile information terminal
RICOH KK4 citations74
US7064902B2Jun 20, 2006
Zoom lens, camera, and mobile information terminal
RICOH KK4 citations74
US7031074B2Apr 18, 2006
Zoom lens, camera, and mobile information terminal
RICOH KK4 citations74
US7697762B2Apr 13, 2010
Document lighting unit, image scanning unit, and image forming apparatus
RICOH KK6 citations63
US7589307B2Sep 15, 2009
Image display apparatus that reduces illuminance irregularity, projection-type image display apparatus using the image display apparatus and rear-projection televison
RICOH KK3 citations63
US7538916B2May 26, 2009
Document lighting device, image reader, color document reader, and image forming device
RICOH KK4 citations63
US7527394B2May 5, 2009
Image-displaying apparatus
RICOH KK6 citations63
TAKANO YOHEI
2 patentsHIRAKAWA MAKOTO
1 patentNISHINA KIICHIRO
1 patentShowing the top 50 of 64 patents by PatentIndex Score.