Inventor · disambiguated record
Tatsuya Ohhira
Also filed as: OHHIRA TATSUYA
9 granted patents·0 citations·filing 2016–2024
72Inventor score
Top patents by PatentIndex Score
9 records- 0164US12461470B2Developing device, process cartridge, and image forming apparatus including a holder which has projections within a hole accomodating a developer regulator or a developing rollerSAITO OSAMU·Filed 2024·Granted Nov 4, 2025·0 cites·14 claims
- 0257US10895827B2Developer conveyor having three bladesOHHIRA TATSUYA·Filed 2020·Granted Jan 19, 2021·0 cites·11 claims
- 0347US12498652B2Developing device, process cartridge, and image forming apparatusINOUE YUMI·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 0447US11048189B2Toner container, toner supply device, and image forming apparatus including a sheet member with two portions to move tonerADACHI TAKAHIRO·Filed 2020·Granted Jun 29, 2021·0 cites·13 claims
- 0544US10168642B2Developing device and image forming apparatus and process cartridge incorporating sameOHHIRA TATSUYA·Filed 2017·Granted Jan 1, 2019·0 cites·10 claims
- 0643US11163246B2Developing device including a conveyor with a space between blades and image forming apparatus including sameOHHIRA TATSUYA·Filed 2020·Granted Nov 2, 2021·0 cites·5 claims
- 0741US10114334B2Developing device with casing having upper and lower compartmentsOHHIRA TATSUYA·Filed 2017·Granted Oct 30, 2018·0 cites·8 claims
- 0837US10209645B2Vertical biaxial developing device and image forming apparatus and process cartridge incorporating sameTSUCHIYA Yuuki·Filed 2017·Granted Feb 19, 2019·0 cites·11 claims
- 0937US9864297B2Developing device and image forming apparatus and process cartridge incorporating sameOHHIRA TATSUYA·Filed 2016·Granted Jan 9, 2018·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →