{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Apple", "item": "https://www.patentleaderboard.com/company/apple"}, {"@type": "ListItem", "position": 3, "name": "Steven D. Warwick", "item": "https://www.patentleaderboard.com/inventor/fl:st_ln:warwick-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SW

Steven D. Warwick — 5 Patents

Apple: 3 patents #7,530 of 18,612Top 45%
Yamaha: 1 patents #1,232 of 2,001Top 65%
HP: 1 patents #11,359 of 7,018Top 165%
Santa Rosa, CA: #329 of 1,373 inventorsTop 25%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Steven D. Warwick has been granted 5 US patents while listed as an inventor at Apple. The first was granted in 1993 and the most recent in May 2000. Steven D. Warwick ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Steven D. Warwick in Santa Rosa, CA, US.

Patents per Year

Patents granted per year, 1993 to 2000Bar chart with a peak of 1 patents in 1993.peak 11993: 1 patents19931996: 1 patents19961998: 1 patents19981999: 1 patents19992000: 1 patents2000

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6064652 Cell grant mechanism Kenneth M. Buckland, Thomas R. Eames, Lac X. Trinh 2000-05-16 $160,197,000
5907552 FTTC interface circuitry as a physical layer entity Kenneth M. Buckland, Thomas R. Eames, Lac X. Trinh 1999-05-25
5850400 System, method, and apparatus for bidirectional transport of digital data between a digital network and a plurality of devices Thomas R. Eames, Kenneth M. Buckland, Lac X. Trinh 1998-12-15
5569871 Musical tone generating apparatus employing microresonator array James A. Wheaton, Erling Wold, John Strawn 1996-10-29
5177560 Optical spectrum analyzer having adjustable sensitivity James R. Stimple, Zoltana D. Azary, Kenneth R. Wildnauer 1993-01-05 $26,151,000