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

Edwin Chow — 6 Patents

Rohm Co.: 4 patents #677 of 2,292Top 30%
NSNational Semiconductor: 1 patents #1,247 of 2,238Top 60%
RCRohn Co.: 1 patents #1 of 19Top 6%
Sunnyvale, CA: #4,229 of 14,302 inventorsTop 30%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Edwin Chow has been granted 6 US patents while listed as an inventor at Rohm Co.. The first was granted in 1980 and the most recent in August 1999. Edwin Chow ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Edwin Chow in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 1980 to 1999Bar chart with a peak of 3 patents in 1997.peak 31980: 1 patents19801996: 1 patents19961997: 3 patents19971999: 1 patents1999

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5940325 Low voltage one transistor flash EEPROM cell using fowler-nordheim programming and erase Shang-De Ted Chang, Jai-Hwang Chang 1999-08-17
5689459 Low voltage one transistor flash EEPROM cell using Fowler-Nordheim programming and erase Shang-De Ted Chang, Jia-Hwang Chang 1997-11-18
5687120 Low voltage one transistor flash eeprom cell using fowler-nordheim programming and erase Shang-De Ted Chang, Jia-Hwang Chang 1997-11-11
5615147 Low voltage one transistor flash EEPROM cell using Fowler-Nordheim programming and erase Shang-De Ted Chang, Jia-Hwang Chang 1997-03-25
5587947 Low voltage one transistor flash EEPROM cell using Fowler-Nordheim programming and erase Shang-De Ted Chang, Jia-Hwang Chang 1996-12-24
4210829 Power up circuit with high noise immunity Thomas S. Wong, Wing Yieu Michael Wong 1980-07-01 $5,526,000