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Sing Chiang — 4 Patents

BTBiocal Technology: 1 patents #4 of 5Top 80%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Sing Chiang has been granted 4 US patents while listed as an inventor at Biocal Technology. The first was granted in 1991 and the most recent in November 2003. Sing Chiang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Sing Chiang in Taipei, CA, TW.

Patents per Year

Patents granted per year, 1991 to 2003Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19911993: 1 patents19931994: 1 patents19942003: 1 patents2003

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6645718 DNA sample collection for identification Ming-Sun Liu, Varouj Amirkhanian 2003-11-11
5313674 Flushing device Chin-Hua Hsieh 1994-05-24
5224685 Power-saving controller for toilet flushing Chin-Hua Hsieh 1993-07-06
5033715 Infrared faucet Chin-Hua Hsieh 1991-07-23

Frequent Collaborators

Chin-Hua Hsieh3 shared
Varouj Amirkhanian1 shared
Ming-Sun Liu1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4