Inventor · disambiguated record
Yuma Negishi
Also filed as: NEGISHI YUMA
4 granted patents·4 pending applications·7 citations·filing 2018–2025
65Inventor score
Files withFUSO CHEMICAL CO LTD8
Top patents by PatentIndex Score
8 records- 0186US11691885B2Hydrophobic silica powderFUSO CHEMICAL CO LTD·Filed 2018·Granted Jul 4, 2023·6 cites·4 claims
- 0275US12325639B2Colloidal silica and production method thereforFUSO CHEMICAL CO LTD·Filed 2020·Granted Jun 10, 2025·1 cites·11 claims
- 0372US2025251672A1Hydrophobic silica powder and toner resin particleFUSO CHEMICAL CO LTD·Filed 2025·Application pending·0 cites
- 0472US2025251673A1Hydrophobic silica powder and toner resin particleFUSO CHEMICAL CO LTD·Filed 2025·Application pending·0 cites
- 0568US12286356B2Colloidal silica and method for producing sameFUSO CHEMICAL CO LTD·Filed 2020·Granted Apr 29, 2025·0 cites·9 claims
- 0667US2025250175A1Colloidal silica and method for producing sameFUSO CHEMICAL CO LTD·Filed 2025·Application pending·0 cites
- 0767US2025270097A1Colloidal silica and production method thereforFUSO CHEMICAL CO LTD·Filed 2025·Application pending·0 cites
- 0856US12306578B2Hydrophobic silica powder and toner resin particleFUSO CHEMICAL CO LTD·Filed 2020·Granted May 20, 2025·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →