Inventor · disambiguated record
Toshihiko Sugiyama
Also filed as: SUGIYAMA TOSHIHIKO
2 granted patents·9 pending applications·0 citations·filing 2005–2025
24Inventor score
Top patents by PatentIndex Score
11 records- 0160US12346062B2Toner, toner storage unit, image forming apparatus and method of forming imageSUGIYAMA TOSHIHIKO·Filed 2022·Granted Jul 1, 2025·0 cites·20 claims
- 0260US2025264822A1Resin particle, toner, toner containing unit, developer, and image forming apparatusSUGIYAMA TOSHIHIKO·Filed 2025·Application pending·0 cites
- 0354US11687013B2Toner for electrostatic charge image development, toner stored unit, image forming apparatus, and image forming methodRICOH CO LTD·Filed 2020·Granted Jun 27, 2023·0 cites·15 claims
- 0444US2023273537A1Resin particles, toner, developer, toner housing unit, image forming apparatus, and method of forming imageMIZOGUCHI YUKA·Filed 2023·Application pending·0 cites
- 0544US2023266688A1Resin particles, toner resin particles, toner, method of producing resin particles, method of producing toner, developer, toner storage unit, and image forming apparatusWATANABE JUNICHI·Filed 2023·Application pending·0 cites
- 0641US2024045350A1Resin particle, toner, developing agent, toner accommodating unit, image forming apparatus, and image forming methodSUGIYAMA TOSHIHIKO·Filed 2023·Application pending·0 cites
- 0741US2023288829A1Resin particles, toner, developer, toner housing unit, image forming apparatus, and method of forming imageFUWA KAZUOKI·Filed 2023·Application pending·0 cites
- 0840US2023324823A1Resin particles, toner, developer, toner housing unit, image forming apparatus, and method of forming imageSUGIYAMA TOSHIHIKO·Filed 2023·Application pending·0 cites
- 0939US2024152065A1Resin particles, toner, method for producing resin particles, method for producing toner, developer, toner storage unit, and image forming apparatusWATANABE JUNICHI·Filed 2022·Application pending·0 cites
- 1038US2023185209A1Resin particle, toner, toner accommodating unitFUWA KAZUOKI·Filed 2022·Application pending·0 cites
- 1134US2006223589A1Communication apparatus and communication program storage mediumFUJITSU LTD·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Toshihiko Sugiyama 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 →