Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11337775 | Check-direction pin and guide tap drill kit for implanting a fixture of implant | — | 2022-05-24 |
| 10548693 | Drill for implant surgery | — | 2020-02-04 |
| 10433937 | Magic pin threader for dental implant, taking into account strength of titanium and bone | — | 2019-10-08 |
| 10357339 | Safety subantral membrane lift capable of directly adjusting a subantral membrane to safely lift the subantral membrane in a desired direction by a desired distance, and operating method using same | — | 2019-07-23 |
| 10213279 | Denture fixing attachment | — | 2019-02-26 |
| 9474587 | Denture-fixing attachment having freely adjustable angle and position | — | 2016-10-25 |
| 9259293 | Bone carving tool for creating convex ridge for inner border of initial hole for placement of implant hole | — | 2016-02-16 |
| 9198743 | Unitary alveolar bone chisel and spreader osteotome for a dental implant | — | 2015-12-01 |
| 8419429 | Implant prosthetic part set and method of manufacturing replication plaster model including abutment using the same | — | 2013-04-16 |
| 6294483 | Method for preventing delamination of APCVD BPSG films | Han-Chung Chen, Chiarn-Lung Lee | 2001-09-25 |
| 6090675 | Formation of dielectric layer employing high ozone:tetraethyl-ortho-silicate ratios during chemical vapor deposition | Chiarn-Lung Lee, Han-Chung Chen | 2000-07-18 |
| 5994213 | Aluminum plug process | Ji-Chung Huang, Han-Chung Chen, Chung-En Hsu | 1999-11-30 |
| 5874355 | Method to prevent volcane effect in tungsten plug deposition | Ji-Chung Huang, Ying-Shih Huang | 1999-02-23 |