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USPTO Patent Rankings Data through Dec 31, 2025
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Christian E. Herdt — 9 Patents

SISimtek: 8 patents #1 of 20Top 5%
MIMicrochip Technology Incorporated: 1 patents #521 of 958Top 55%
Colorado Springs, CO: #358 of 2,971 inventorsTop 15%
Colorado: #5,216 of 40,980 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Christian E. Herdt has been granted 9 US patents while listed as an inventor at Simtek. The first was granted in 1990 and the most recent in January 2003. Christian E. Herdt ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Christian E. Herdt in Colorado Springs, CO, US.

Patents per Year

Patents granted per year, 1990 to 2003Bar chart with a peak of 2 patents in 2000.peak 21990: 1 patents19901991: 1 patents19911996: 1 patents19961997: 1 patents19971998: 1 patents19982000: 2 patents20002002: 1 patents20022003: 1 patents2003

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6512694 NAND stack EEPROM with random programming capability 2003-01-28
6414873 nvSRAM with multiple non-volatile memory cells for each SRAM memory cell 2002-07-02
6097629 Non-volatile, static random access memory with high speed store capability Daryl G. Dietrich, Paul Fredrick Ruths 2000-08-01
6026018 Non-volatile, static random access memory with store disturb immunity Daryl G. Dietrich, John Roger Gill, Paul Fredrick Ruths 2000-02-15
5828599 Memory with electrically erasable and programmable redundancy 1998-10-27
5602776 Non-Volatile, static random access memory with current limiting Albert S. Weiner 1997-02-11
5563839 Semiconductor memory device having a sleep mode Albert S. Weiner 1996-10-08
5065362 Non-volatile RAM with integrated compact static RAM load configuration Albert S. Weiner, David A. Kamp, Klaus Dimmler 1991-11-12 $503,000
4980861 NAND stack ROM Steven H. Cliadakis 1990-12-25