Inventor · disambiguated record
Katsuhiro Hayashi
Also filed as: HAYASHI KATSUHIRO
14 granted patents·6 pending applications·57 citations·filing 1984–2024
89Inventor score
Top patents by PatentIndex Score
20 records- 0193US10131806B2Aqueous ink, ink cartridge, and ink jet recording methodCANON KK·Filed 2017·Granted Nov 20, 2018·9 cites·21 claims
- 0292US8425027B2Clear ink, ink jet recording method, ink set, ink cartridge, recording unit and ink jet recording apparatusNISHIWAKI YUKO·Filed 2010·Granted Apr 23, 2013·12 cites·20 claims
- 0386US9365733B2Ink jet ink and ink jet recording methodCANON KK·Filed 2014·Granted Jun 14, 2016·4 cites·6 claims
- 0482US9260611B2Synthesis method for self-dispersible pigment, self-dispersible pigment, ink jet ink, ink cartridge, and ink jet recording methodHAYASHI KATSUHIRO·Filed 2011·Granted Feb 16, 2016·3 cites·6 claims
- 0582US7977409B2Ink jet ink, ink jet recording method, and ink cartridgeCANON KK·Filed 2009·Granted Jul 12, 2011·5 cites·13 claims
- 0677US8889763B2Ink jet ink, ink jet recording method, and ink cartridgeHAYASHI KATSUHIRO·Filed 2009·Granted Nov 18, 2014·4 cites·14 claims
- 0774US12486416B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2022·Granted Dec 2, 2025·0 cites·16 claims
- 0869US7541787B2Transistor drive circuit, constant voltage circuit, and method thereof using a plurality of error amplifying circuits to effectively drive a power transistorRICOH KK·Filed 2006·Granted Jun 2, 2009·8 cites·17 claims
- 0968US2023183502A1Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2022·Application pending·0 cites
- 1065US11584864B2Aqueous ink, ink cartridge, ink jet recording method and method for producing aqueous inkCANON KK·Filed 2021·Granted Feb 21, 2023·0 cites·20 claims
- 1164US12234363B2Aqueous ink, ink cartridge and ink jet recording methodCANON KK·Filed 2021·Granted Feb 25, 2025·0 cites·17 claims
- 1263US4656303ANovel resolution method of racemic mixtureAPPLIED BIOCHEMISTRY INST·Filed 1984·Granted Apr 7, 1987·12 cites·10 claims
- 1361US11549027B2Aqueous ink, ink cartridge, ink jet recording method and method for producing aqueous inkCANON KK·Filed 2021·Granted Jan 10, 2023·0 cites·17 claims
- 1454US2010086686A1Ink jet ink, ink jet recording method, and ink cartridgeCANON KK·Filed 2009·Application pending·0 cites
- 1552US10550086B1Lenvatinib derivative, and composition for pharmaceutical research and tumor therapeutic agent using the sameAPPLIED BIOCHEMISTRY INST·Filed 2019·Granted Feb 4, 2020·0 cites·3 claims
- 1648US2015024134A1Image recording methodCANON KK·Filed 2014·Application pending·0 cites
- 1746US2024303069A1Information processing apparatus, information processing method, and computer-readable mediumPANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 1841US8439495B2Ink jet liquid composition, set, liquid cartridge, and ink jet recording methodNISHIGUCHI KENJI·Filed 2011·Granted May 14, 2013·0 cites·9 claims
- 1941US2007032590A1Water base inkHAYASHI KATSUHIRO·Filed 2004·Application pending·0 cites
- 2041US2006189710A1Aqueous inkHAYASHI KATSUHIRO·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →