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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael D. Eby — 7 Patents

ADAnalog Devices: 4 patents #478 of 1,990Top 25%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
Ncr: 1 patents #2,744 of 3,019Top 95%
Centerville, OH: #115 of 668 inventorsTop 20%
Ohio: #11,780 of 73,341 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Michael D. Eby has been granted 7 US patents while listed as an inventor at Analog Devices. The first was granted in 1987 and the most recent in October 2009. Michael D. Eby ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Michael D. Eby in Centerville, OH, US.

Patents per Year

Patents granted per year, 1987 to 2009Bar chart with a peak of 2 patents in 1992.peak 21987: 1 patents19871992: 2 patents19922003: 1 patents20032004: 2 patents20042009: 1 patents2009

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7606092 Testing for SRAM memory data retention Gregory P. Mikol, James E. DeMaris 2009-10-20 $23,250,000
6744659 Source-biased memory cell array Gregory P. Mikol, James E. DeMaris 2004-06-01 $40,937,000
6683804 Read/write memory arrays and methods with predetermined and retrievable latent-state patterns Kenneth C. Zemlok, Colin Duggan 2004-01-27 $74,244,000
6618309 Adjustable memory self-timing circuit James E. DeMaris 2003-09-09 $54,386,000
5153853 Method and apparatus for measuring EEPROM threshold voltages in a nonvolatile DRAM memory device Katsumi Fukumoto, Michael J. Griffus, Giao N. Pham 1992-10-06
5146431 Method and apparatus for page recall of data in an nonvolatile DRAM memory device Katsumi Fukumoto, Michael J. Griffus, Giao N. Pham 1992-09-08
4658380 CMOS memory margining control circuit for a nonvolatile memory 1987-04-14 $42,329,000