Inventor · disambiguated record
Ryohta Matsufuji
Also filed as: MATSUFUJI RYOHTA
8 granted patents·3 pending applications·7 citations·filing 2014–2024
76Inventor score
Technology areasB41J
Top patents by PatentIndex Score
11 records- 0188US10022963B2Liquid discharge head, liquid discharge device, and liquid discharge apparatusKOHDA TOMOHIKO·Filed 2016·Granted Jul 17, 2018·3 cites·6 claims
- 0282US9044946B2Droplet discharge head and image forming apparatus including sameKOHDA TOMOHIKO·Filed 2014·Granted Jun 2, 2015·3 cites·10 claims
- 0380US10730292B2Liquid discharge head, liquid discharge device, and liquid discharge apparatusRICOH CO LTD·Filed 2018·Granted Aug 4, 2020·1 cites·10 claims
- 0476US12350936B2Liquid discharge head and liquid discharge apparatusFUJITA AKIHIRO·Filed 2023·Granted Jul 8, 2025·0 cites·12 claims
- 0566US12415353B2Liquid discharge head and liquid discharge apparatusMATSUFUJI RYOHTA·Filed 2023·Granted Sep 16, 2025·0 cites·14 claims
- 0659US11130338B2Liquid discharge head and liquid discharge apparatusMATSUFUJI RYOHTA·Filed 2019·Granted Sep 28, 2021·0 cites·10 claims
- 0746US2024308219A1Liquid discharge module, liquid discharge head, and liquid discharge apparatusNAKANO TORU·Filed 2024·Application pending·0 cites
- 0837US12502887B2Discharge head, discharge unit, and liquid discharge apparatusMATSUFUJI RYOHTA·Filed 2021·Granted Dec 23, 2025·0 cites·17 claims
- 0935US2024367436A1Liquid discharge head and liquid discharge apparatusMATSUFUJI RYOHTA·Filed 2018·Application pending·0 cites
- 1033US2020290352A1Liquid discharge head and liquid discharge apparatusAKIYAMA KOHTA·Filed 2020·Application pending·0 cites
- 1132US9889662B2Liquid droplet discharging head and image forming apparatus, including displacing film that applies self-displacement to apply pressure to liquid inside chamberMATSUFUJI RYOHTA·Filed 2016·Granted Feb 13, 2018·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →