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

Benedict B. O'Brien — 6 Patents

NONorthrop: 4 patents #14 of 277Top 6%
Northrop Grumman: 2 patents #871 of 2,250Top 40%
Manhattan Beach, CA: #187 of 861 inventorsTop 25%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Benedict B. O'Brien has been granted 6 US patents while listed as an inventor at Northrop. The first was granted in 1989 and the most recent in April 1998. Benedict B. O'Brien ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Benedict B. O'Brien in Manhattan Beach, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5738757 Planar masking for multi-depth silicon etching Brent E. Burns 1998-04-14 $14,691,000
5392650 Micromachined accelerometer gyroscope Brent E. Burns, John A. Geen 1995-02-28 $2,629,000
5205171 Miniature silicon accelerometer and method Brent E. Burns, John A. Geen 1993-04-27 $3,027,000
5170283 Silicon spatial light modulator Brent E. Burns, King L. Hu, Adrian Ionescu 1992-12-08 $10,502,000
5063427 Planar bipolar transistors including heterojunction transistors John W. Tully, William Hant, King L. Hu 1991-11-05 $11,152,000
4839303 Planar bipolar transistors including heterojunction transistors and method John W. Tully, William Hant, King L. Hu 1989-06-13 $6,433,000