Inventor · name-matched record
SUGIYAMA RYO
3 granted patents·3 pending applications·0 citations·filing 2021–2025
39Inventor score
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
6 records- 0181US2026064038A1Developing roller, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0280US2026050231A1Process cartridgeCANON KK·Filed 2025·Application pending·0 cites
- 0367US2026064034A1Developing apparatus, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0464US12586748B2Structure for particle acceleration and charged particle beam apparatusHITACHI HIGH TECH CORP·Filed 2021·Granted Mar 24, 2026·0 cites·14 claims
- 0560US12547096B2Developing apparatus, process cartridge, and image-forming apparatusCANON KK·Filed 2024·Granted Feb 10, 2026·0 cites·36 claims
- 0659US12547088B2Electrophotographic member and method of producing the member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2022·Granted Feb 10, 2026·0 cites·8 claims
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Identity basis: exact name match across USPTO filings. How scoring works →