Inventor · disambiguated record
Koichiro Oyama
Also filed as: OYAMA KOICHIRO
11 granted patents·2 pending applications·4 citations·filing 2016–2022
80Inventor score
Top patents by PatentIndex Score
13 records- 0189US10233341B2Ink, method of manufacturing ink, and ink cartridgeKOIZUKA YUUSUKE·Filed 2016·Granted Mar 19, 2019·2 cites·6 claims
- 0278US10138344B2Particulate polyamide, and method for preparing the particulate polyamideARAI YOKO·Filed 2016·Granted Nov 27, 2018·2 cites·20 claims
- 0377US10844235B2Ink, method of manufacturing ink, and ink cartridgeRICOH CO LTD·Filed 2019·Granted Nov 24, 2020·0 cites·20 claims
- 0473US12344756B2Liquid composition, method of applying liquid, device for applying liquid, pre-processing fluid, and set of pre-processing fluid and inkSAITO SHUN·Filed 2022·Granted Jul 1, 2025·0 cites·15 claims
- 0569US11760893B2Ink, image forming apparatus, and image forming methodRICOH CO LTD·Filed 2021·Granted Sep 19, 2023·0 cites·13 claims
- 0666US10323134B2Particulate polyamide, and method for preparing the particulate polyamideRICOH CO LTD·Filed 2018·Granted Jun 18, 2019·0 cites·18 claims
- 0760US10836171B2Ink and cleaning liquid set, inkjet printing device, inkjet printing method, and method of cleaning nozzle surface of inkjet discharging headSAGARA Amika·Filed 2019·Granted Nov 17, 2020·0 cites·10 claims
- 0857US10807377B2Ink, ink cartridge, image forming method, and printed matterYAMAZAKI TAKUYA·Filed 2019·Granted Oct 20, 2020·0 cites·19 claims
- 0957US9896530B2Copolymer, coloring material dispersion, ink, and ink store containerHARADA SHIGEYUKI·Filed 2016·Granted Feb 20, 2018·0 cites·10 claims
- 1056US2021292582A1Ink, ink stored container, printing device, and printing methodRICOH CO LTD·Filed 2021·Application pending·0 cites
- 1149US10000656B2Ink, recorded matter, ink container, recording device, and recording methodYANAGAWA YOSHIKI·Filed 2016·Granted Jun 19, 2018·0 cites·10 claims
- 1247US10273373B2Ink and method for producing same, and ink stored container, printing method, and printing apparatusKOIZUKA YUUSUKE·Filed 2017·Granted Apr 30, 2019·0 cites·12 claims
- 1339US2021238432A1Ink, inkjet ink, ink container, image forming method, and image forming deviceYOSHIKAWA TORU·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →