DC

Di-Fong Chang

SI Simplehuman: 87 patents #6 of 60Top 10%
YH Yahoo Holdings: 1 patents #1,285 of 2,500Top 55%
📍 Torrance, CA: #9 of 2,137 inventorsTop 1%
🗺 California: #2,837 of 386,348 inventorsTop 1%
Overall (All Time): #18,801 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 76–88 of 88 patents

Patent #TitleCo-InventorsDate
D584469 Trash can Frank Yang, Tzu-Hao Wei, William Shyh-Chen Hsu, Po-Ling Huang 2009-01-06
D578722 Trash can Frank Yang, Tzu-Hao Wei, William Shyh-Chen Hsu 2008-10-14
D578267 Trash can Frank Yang, Tzu-Hao Wei, Po-Ling Huang 2008-10-07
D578268 Trash can Frank Yang, Tzu-Hao Wei, William Shyh-Chen Hsu 2008-10-07
D578266 Trashcan Frank Yang, Tzu-Hao Wei, William Shyh-Chen Hsu 2008-10-07
D574569 Trash can Frank Yang, Tzu-Hao Wei, William Shyh-Chen Hsu 2008-08-05
D573822 Toilet paper holder Frank Yang, Tzu-Hao Wei, Myk Lum, Adam Wade 2008-07-29
D568658 Shower caddy Frank Yang, Tzu-Hao Wei, William Shyh-Chen Hsu 2008-05-13
D568572 Trash bag retainer on trash can liner Frank Yang, Tzu-Hao Wei, William Shyh-Chen Hsu 2008-05-06
D559491 Mini dish rack Frank Yang, Tzu-Hao Wei, William Shyh-Chen Hsu 2008-01-08
D554412 Studio soap pump Frank Yang, Tzu-Hao Wei 2007-11-06
D554411 Ceramic soap pump Frank Yang, Tzu-Hao Wei 2007-11-06
D548539 Napkin holder Frank Yang, Tzu-Hao Wei 2007-08-14