Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JC

Joseph Chang — 4 Patents

3S3D Systems: 1 patents #205 of 374Top 55%
TSMC: 1 patents #8,466 of 12,232Top 70%
WCWaterbury Companies: 1 patents #13 of 28Top 50%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Joseph Chang has been granted 4 US patents while listed as an inventor at 3D Systems. The first was granted in 1991 and the most recent in November 2022. Joseph Chang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Joseph Chang in Tokyo, SC, JP.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11485075 High volume manufacturing method for precision articles based on three-dimensional printing Colin Leonard Blain, Evan Kuester 2022-11-01 $4,453,000
6876894 Forecast test-out of probed fabrication by using dispatching simulation method Nai-Chiang Chen, Ta-Chin Lin, Chung-Shen Chen, Vincent Chiu 2005-04-05 $2,429,000
5772074 Device and method for indicating the dispensing of a predetermined amount of a material Dwain Dial, Hwa Ming Huang 1998-06-30
5063054 Microbial products used for treatment of hepatitis 1991-11-05