Inventor · disambiguated record
Masami Iwama
Also filed as: IWAMA MASAMI
11 granted patents·2 pending applications·19 citations·filing 1995–2024
83Inventor score
Technology areasB41J
Top patents by PatentIndex Score
13 records- 0188US10179452B2Liquid discharge head, liquid discharge device, and liquid discharge apparatusIWAMA MASAMI·Filed 2017·Granted Jan 15, 2019·3 cites·11 claims
- 0265US8366242B2Liquid-ejection head unit and image forming apparatusRICOH CO LTD·Filed 2010·Granted Feb 5, 2013·1 cites·12 claims
- 0362US8931871B2Driving device of liquid-jet head, liquid-jet device and method for driving liquid-jet headIWAMA MASAMI·Filed 2012·Granted Jan 13, 2015·1 cites·5 claims
- 0454US2024326428A1Liquid discharge head, liquid discharge unit, and liquid discharge apparatusIWAMA MASAMI·Filed 2024·Application pending·0 cites
- 0552US11077688B2Liquid discharge head and liquid discharge apparatusIWAMA MASAMI·Filed 2019·Granted Aug 3, 2021·0 cites·15 claims
- 0650US12330419B2Liquid discharge head and image forming apparatusIWAMA MASAMI·Filed 2023·Granted Jun 17, 2025·0 cites·4 claims
- 0749US10576742B2Liquid discharge head and liquid discharge apparatusKIHIRA TAKAKAZU·Filed 2018·Granted Mar 3, 2020·0 cites·6 claims
- 0846US8974026B2Liquid droplet ejection head, control device, control method, and manufacturing method of the same, and recording medium of the same methodsIWAMA MASAMI·Filed 2014·Granted Mar 10, 2015·0 cites·10 claims
- 0940US6109802ADot line printer for preventing the overheating of printing elements by selectively activating the printing elementsHITACHI KOKI KK·Filed 1998·Granted Aug 29, 2000·7 cites·14 claims
- 1037US10076918B2Liquid-discharging head, liquid-discharging unit, and apparatus configured to discharge liquidMURAKAMI TOMOAKI·Filed 2017·Granted Sep 18, 2018·0 cites·14 claims
- 1134US5662421APrint speed controlled dot line printer depending on print densityHITACHI KOKI KK·Filed 1995·Granted Sep 2, 1997·6 cites·18 claims
- 1231US2016236469A1Liquid discharging head, liquid discharging unit, and device to discharge liquidIWAMA MASAMI·Filed 2016·Application pending·0 cites
- 1327US5826990AMethod and device for limiting a number of times each print hammer is driven during a predetermined period of timeHITACHI KOKI KK·Filed 1997·Granted Oct 27, 1998·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →