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John E. Gersbach — 51 Patents

IBM: 51 patents #1,683 of 70,183Top 3%
Burlington, VT: #9 of 475 inventorsTop 2%
Vermont: #122 of 4,968 inventorsTop 3%
Overall (All Time): #51,932 of 4,157,543Top 2%
51 Patents All Time
John E. Gersbach has been granted 51 US patents while listed as an inventor at IBM. The first was granted in 1980 and the most recent in March 2001. John E. Gersbach ranks #51,932 of 4,157,543 US inventors in our database (top 1.2%). Patent records list John E. Gersbach in Burlington, VT, US.

Issued Patents All Time

Showing 1–25 of 51 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6198339 CVF current reference with standby mode Charles J. Masenas 2001-03-06 $28,649,000
6118261 Slew rate control circuit Charles K. Erdelyi 2000-09-12 $33,772,000
6097215 Low power voltage translation circuit John S. Bialas, Jr., Charles R. London 2000-08-01 $27,147,000
6031403 Pull-up and pull-down circuits 2000-02-29 $26,074,000
5873053 On-chip thermometry for control of chip operating temperature Wilbur D. Pricer, Wendell P. Noble, John A. Fifield 1999-02-16 $10,802,000
5870404 Self-timed circuit having critical path timing detection Frank D. Ferraiolo, Charles J. Masenas, Norman J. Rohrer, Bruce W. Singer 1999-02-09 $13,231,000
5838205 Variable-speed phase-locked loop system with on-the-fly switching and method therefor Frank D. Ferraiolo, Charles J. Masenas 1998-11-17 $29,605,000
5825226 Delay equalization apparatus and method Frank D. Ferraiolo, Ilya I. Novof 1998-10-20 $18,639,000
5757238 Fast locking variable frequency phase-locked loop Frank D. Ferraiolo, Charles J. Masenas 1998-05-26 $6,589,000
5739725 Digitally controlled oscillator circuit Frank D. Ferraiolo, Charles J. Masenas 1998-04-14 $13,289,000
5729159 Multiple reference sense amplifier 1998-03-17 $18,535,000
5724008 Phase-locked loop with charge distribution Frank D. Ferraiolo, Charles J. Masenas 1998-03-03 $13,090,000
5694087 Anti-latching mechanism for phase lock loops Frank D. Ferraiolo, Masayuki Hayashi, Ilya I. Novof, Charles J. Masenas 1997-12-02 $24,750,000
5694032 Band gap current reference circuit Charles J. Masenas 1997-12-02 $24,750,000
5668709 Switched capacitor current source Masayuki Hayashi 1997-09-16 $12,261,000
5668503 System and method for calibrating damping factor or analog PLL Masayuki Hayashi 1997-09-16 $12,261,000
5666118 Self calibration segmented digital-to-analog converter 1997-09-09 $15,735,000
5642116 Self calibrating segmented digital-to-analog converter 1997-06-24 $24,299,000
5635869 Current reference circuit Frank D. Ferraiolo, Ilya J. Novof, Edward J. Nowak 1997-06-03 $12,468,000
5629650 Self-biased phase-locked loop Masayuki Hayashi, Charles J. Masenas 1997-05-13 $10,594,000
5627456 All FET fully integrated current reference circuit Ilya I. Novof, Frank D. Ferraiolo 1997-05-06 $20,309,000
5598313 Electrostatic discharge suppression circuit for integrated circuit chips 1997-01-28 $23,855,000
5563552 System and method for calibrating damping factor of analog PLL Masayuki Hayashi 1996-10-08 $9,670,000
5539342 Low distortion memory write current head drive Shujaat Nadeem 1996-07-23 $7,499,000
5508660 Charge pump circuit with symmetrical current output for phase-controlled loop system Ilya I. Novof 1996-04-16 $11,483,000