Inventor
TSAI MING-JEN
TW8 patents
⚠️ This page may combine multiple inventors who share the name “TSAI MING-JEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MARSHAL IND CORP
6 patentsUS6638187B1Oct 28, 2003
Racket frame without the need of drilling holes
MARSHAL IND CORP11 citations69
US6589125B1Jul 8, 2003
Compound material frame body without the need of drilling holes
MARSHAL IND CORP11 citations69
US11813809B2Nov 14, 2023
Method of manufacturing a composite rim
MARSHAL IND CORP0 citations58
US11230141B2Jan 25, 2022
Marked wheel rim and method for manufacturing the same
MARSHAL IND CORP0 citations58
US10792843B2Oct 6, 2020
Method of manufacturing a carbon fiber wheel rim
MARSHAL IND CORP0 citations48
US12420583B2Sep 23, 2025
Composite rim
MARSHAL IND CORP0 citations47