Inventor · disambiguated record
Ryo Ishifuji
Also filed as: ISHIFUJI RYO
5 granted patents·2 pending applications·8 citations·filing 2021–2025
67Inventor score
Files withCANON KK7
Top patents by PatentIndex Score
7 records- 0196US11644777B2Pressurizing member, fixing device, and electrophotographic image-forming apparatusCANON KK·Filed 2022·Granted May 9, 2023·7 cites·12 claims
- 0289US12070925B2Fixing rotating member, fixing apparatus and electrophotographic image forming apparatus, and method for producing fixing rotating memberCANON KK·Filed 2021·Granted Aug 27, 2024·1 cites·16 claims
- 0377US2025362631A1Fixing rotator, thermal fixing device, and electrophotographic image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0464US12235602B2Fixing belt and heat fixing deviceCANON KK·Filed 2023·Granted Feb 25, 2025·0 cites·10 claims
- 0563US11561495B2Pressing rotating member and production method thereof, fixing apparatus, and electrophotographic image forming apparatusCANON KK·Filed 2021·Granted Jan 24, 2023·0 cites·10 claims
- 0661US12059874B2Fixing rotating member, fixing apparatus, electrophotographic image forming apparatus, and method for producing fixing rotating memberCANON KK·Filed 2021·Granted Aug 13, 2024·0 cites·14 claims
- 0753US2025013179A1Electrophotographic member, fixing apparatus, and electrophotographic image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →