Inventor
MATSUI HIROAKI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “MATSUI HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
13 patentsUS6677273B2Jan 13, 2004
Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material
RICOH KK33 citations92
US6432518B1Aug 13, 2002
Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material
RICOH KK24 citations92
US6261992B1Jul 17, 2001
Reversible thermosensitive recording material and recording method and apparatus therefor
RICOH KK33 citations92
US6207613B1Mar 27, 2001
Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording material
RICOH KK17 citations92
US6154243ANov 28, 2000
Reversible thermal recording method and apparatus therefor
RICOH KK36 citations92
US6090748AJul 18, 2000
Reversible thermosensitive recording material and recording method and recording apparatus therefor
RICOH KK31 citations92
US5942377AAug 24, 1999
Reversible thermosensitive composition and reversible thermosensitive recording medium using same
RICOH KK24 citations92
US6524377B2Feb 25, 2003
Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording material
RICOH KK5 citations74
US6090192AJul 18, 2000
Reversible thermosensitive coloring composition and reversible thermosensitive recording medium using same
RICOH KK15 citations73
US5891823AApr 6, 1999
Reversible thermosensitive recording medium
RICOH KK11 citations73
US5868821AFeb 9, 1999
Thermally reversible color forming composition and thermally reversible recording medium using the thermally reversible color forming composition
RICOH KK12 citations73
US6503868B2Jan 7, 2003
Reversible thermosensitive coloring composition and recording material using the composition and recording method using the recording material
RICOH KK1 citations63
US6410478B1Jun 25, 2002
Reversible thermosensitive recording medium
RICOH KK5 citations63
RENESAS ELECTRONICS CORP
5 patentsUS7848716B2Dec 7, 2010
Semiconductor integrated circuit for communication
RENESAS ELECTRONICS CORP6 citations71
US8374559B2Feb 12, 2013
Transmitter, RF transmitter signal processor and method for operation of transmitter
RENESAS ELECTRONICS CORP0 citations52
US9214980B2Dec 15, 2015
High-frequency signal processor and wireless communication system
RENESAS ELECTRONICS CORP0 citations49
US9001871B2Apr 7, 2015
High-frequency signal processor and wireless communication system
RENESAS ELECTRONICS CORP0 citations49
US12512865B2Dec 30, 2025
Semiconductor device and impedance-matching circuitry
RENESAS ELECTRONICS CORP0 citations45
SATURN LICENSING LLC
5 patentsUS12449694B2Oct 21, 2025
Illumination unit and display apparatus
SATURN LICENSING LLC0 citations61
US12174486B2Dec 24, 2024
Illumination unit and display apparatus
SATURN LICENSING LLC0 citations61
US11892727B2Feb 6, 2024
Illumination and display apparatus
SATURN LICENSING LLC0 citations61
US11668974B2Jun 6, 2023
Illumination unit and display apparatus
SATURN LICENSING LLC0 citations61
US11194192B2Dec 7, 2021
Illumination unit and display apparatus
SATURN LICENSING LLC0 citations61
SONY CORP
4 patentsUS7213920B2May 8, 2007
Image display apparatus
SONY CORP29 citations89
US8915606B2Dec 23, 2014
Display device
SONY CORP7 citations84
US7384148B2Jun 10, 2008
Projection type image display apparatus and optical system
SONY CORP4 citations63
US10871676B2Dec 22, 2020
Illumination unit and display apparatus
SONY CORP0 citations51
RENESAS TECH CORP
3 patentsUS7239855B2Jul 3, 2007
communication semiconductor integrated circuit device and wireless communication system
RENESAS TECH CORP18 citations84
US7333565B2Feb 19, 2008
Semiconductor integrated circuit for communication
RENESAS TECH CORP14 citations79
US7515648B2Apr 7, 2009
Transmitter and wireless communication apparatus using same
RENESAS TECH CORP0 citations42