Inventor · disambiguated record
Song Yangzhi
Also filed as: YANGZHI SONG
4 granted patents·25 citations·filing 2017–2021
72Inventor score
Files withCOAST CUTLERY CO4
Top patents by PatentIndex Score
4 records- 0183US10317048B2Pocket lightCOAST CUTLERY CO·Filed 2017·Granted Jun 11, 2019·4 cites·11 claims
- 0280US11903437B2Hard hat with light assemblyCOAST CUTLERY CO·Filed 2021·Granted Feb 20, 2024·1 cites·19 claims
- 0373USD824063SCompact lightCOAST CUTLERY CO·Filed 2017·Granted Jul 24, 2018·15 cites·1 claims
- 0472USD1008504SHard hat light assemblyCOAST CUTLERY CO·Filed 2021·Granted Dec 19, 2023·5 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →