Inventor · disambiguated record
Keitaroh Sakai
Also filed as: SAKAI KEITAROH
5 granted patents·2 pending applications·2 citations·filing 2015–2023
62Inventor score
Top patents by PatentIndex Score
7 records- 0175US10518547B2Liquid discharger and liquid stirring methodRICOH CO LTD·Filed 2017·Granted Dec 31, 2019·1 cites·17 claims
- 0268US9849678B2Liquid discharger including a head, a cap, a belt, and a belt cleanerSAKAI KEITAROH·Filed 2016·Granted Dec 26, 2017·1 cites·12 claims
- 0355US12304206B2Liquid discharge head and liquid discharge apparatusKUBO ISAMU·Filed 2023·Granted May 20, 2025·0 cites·11 claims
- 0440US2024149583A1Drive unit, liquid discharge head, and liquid discharge apparatusSAKAI KEITAROH·Filed 2022·Application pending·0 cites
- 0540US2024367437A1Liquid discharge apparatus and liquid discharge methodSAKAI KEITAROH·Filed 2022·Application pending·0 cites
- 0637US12502887B2Discharge head, discharge unit, and liquid discharge apparatusMATSUFUJI RYOHTA·Filed 2021·Granted Dec 23, 2025·0 cites·17 claims
- 0733US10124617B2Liquid stirrer and image forming apparatus including sameSAKAI KEITAROH·Filed 2015·Granted Nov 13, 2018·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Keitaroh Sakai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →