Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11318525 | Method for manufacturing a golf club head made of soft iron | — | 2022-05-03 |
| 10923690 | Thin film battery, thin film battery manufacturing method and refined microcrystalline electrode manufacturing method | Tien-Hsiang Hsueh, Yuh-Jenq Yu, Der-Jun Jan | 2021-02-16 |
| 10512828 | Manufacture method for partial structure refinement of a forged iron golf club head | — | 2019-12-24 |
| 9895584 | Composite material integrally forged iron head of a golf club | — | 2018-02-20 |
| 9472826 | Thin film battery structure and manufacturing method thereof | Tien-Hsiang Hsueh, Der-Jun Jan, Yuh-Jenq Yu, Yuan-Ruei JHENG | 2016-10-18 |
| 9127343 | Surface treating method for a golf club head | — | 2015-09-08 |
| 8973243 | Manufacturing method of an integrally forged golf club head | — | 2015-03-10 |
| 8434671 | Manufacturing method of a forged golf club head | — | 2013-05-07 |
| 8042253 | Method of manufacturing a golf club head, of the wood type, by assembling welding, and finish grinding the weld joints | — | 2011-10-25 |