Inventor · disambiguated record
Kei Niwayama
Also filed as: NIWAYAMA KEI
4 granted patents·3 pending applications·0 citations·filing 2016–2024
53Inventor score
Technology areasG03G
Top patents by PatentIndex Score
7 records- 0157US10474051B2Carrier for developer of electrostatic latent image, two-component developer, replenishing developer, image forming apparatus, and toner stored unitTAKII MARIKO·Filed 2018·Granted Nov 12, 2019·0 cites·11 claims
- 0253US10254674B2Carrier for developer of electrostatic latent image, developer, and image forming apparatusSEKI MASAHIRO·Filed 2017·Granted Apr 9, 2019·0 cites·15 claims
- 0350US2024393707A1Toner, toner accommodating unit, image forming apparatus, and image forming methodNIWAYAMA KEI·Filed 2024·Application pending·0 cites
- 0447US10031434B2Carrier and developerTAKII MARIKO·Filed 2016·Granted Jul 24, 2018·0 cites·14 claims
- 0545US2023384704A1Toner, toner accommodating unit, image forming apparatus, and image forming methodNIWAYAMA KEI·Filed 2023·Application pending·0 cites
- 0644US10025214B2Carrier, developing agent, image forming apparatus, image forming method, replenishment toner, and process cartridgeNAGAYAMA MASASHI·Filed 2016·Granted Jul 17, 2018·0 cites·10 claims
- 0727US2020319571A1Electrophotographic developer, replenishment developer, image forming apparatus, process cartridge, and image forming methodTAKEUCHI KENTO·Filed 2020·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →