Inventor · disambiguated record
Yujiro Sonoyama
Also filed as: SONOYAMA YUJIRO
3 granted patents·2 pending applications·22 citations·filing 2017–2022
66Inventor score
Files withKANEKA CORP5
Top patents by PatentIndex Score
5 records- 0185USD936938SInner cap for a wigKANEKA CORP·Filed 2020·Granted Nov 30, 2021·17 cites·1 claims
- 0285US10604868B2Artificial protein fibers for hair, manufacturing method therefor and head accessory containing sameKANEKA CORP·Filed 2017·Granted Mar 31, 2020·1 cites·8 claims
- 0362USD936937SInner cap for a wigKANEKA CORP·Filed 2020·Granted Nov 30, 2021·4 cites·1 claims
- 0462US2024417889A1Acrylic fiber for artificial hair, crimped acrylic fiber for artificial hair, hair ornament product including the same, and production method thereforKANEKA CORP·Filed 2022·Application pending·0 cites
- 0549US2020146379A1Wig kit and method for producing wig using sameKANEKA CORP·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →