Inventor · disambiguated record
Katsuaki Kokubo
Also filed as: KOKUBO KATSUAKI
9 granted patents·134 citations·filing 1997–2009
89Inventor score
Top patents by PatentIndex Score
9 records- 0184US6489265B1Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the mediumRICOH KK·Filed 2000·Granted Dec 3, 2002·16 cites·27 claims
- 0281US6174836B1Reversible thermosensitive recording medium, method of producing the medium, information recording devices using the medium, and image formation and erasing method using the mediumRICOH KK·Filed 1998·Granted Jan 16, 2001·29 cites·11 claims
- 0377US8313613B2Sanitary thin paperMATSUMURA TAKASHI·Filed 2009·Granted Nov 20, 2012·4 cites·8 claims
- 0473US5942377AReversible thermosensitive composition and reversible thermosensitive recording medium using sameRICOH KK·Filed 1997·Granted Aug 24, 1999·24 cites·4 claims
- 0566US6090192AReversible thermosensitive coloring composition and reversible thermosensitive recording medium using sameRICOH KK·Filed 1998·Granted Jul 18, 2000·15 cites·3 claims
- 0663US6794334B2Thermo reversible recording medium, member having information memorizing part, thermo reversible recording label, method of and apparatus for image processingRICOH KK·Filed 2001·Granted Sep 21, 2004·5 cites·20 claims
- 0763US6362130B1Reversible thermosensitive recording medium, card, label, disk, disk cartridge, tape cassette, method of producing the recording medium, and method of recording and erasing images using the sameRICOH KK·Filed 1998·Granted Mar 26, 2002·16 cites·69 claims
- 0861US5955225AReversible thermosensitive coloring composition and reversible thermosensitive recording medium using sameRICOH KK·Filed 1997·Granted Sep 21, 1999·14 cites·4 claims
- 0959US5891823AReversible thermosensitive recording mediumRICOH KK·Filed 1997·Granted Apr 6, 1999·11 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →