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

Andreas A. Polycarpou — 16 Patents

STSeagate Technology: 11 patents #533 of 4,722Top 15%
TSTexas A&M University System: 2 patents #346 of 1,706Top 25%
College Station, TX: #45 of 1,144 inventorsTop 4%
Texas: #9,126 of 125,132 inventorsTop 8%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Andreas A. Polycarpou has been granted 16 US patents while listed as an inventor at Seagate Technology. The first was granted in 2001 and the most recent in November 2025. Andreas A. Polycarpou ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Andreas A. Polycarpou in College Station, TX, US.

Patents per Year

Patents granted per year, 2001 to 2023Bar chart with a peak of 4 patents in 2003.peak 42001: 3 patents20012002: 3 patents20022003: 4 patents20032004: 1 patents20042017: 1 patents20172022: 2 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12473978 Fluid sealing of moving shafts for high-pressure chambers Pixiang Lan, Md. Shaifur Rahman 2025-11-18
11851626 Phase change material compositions and methods for their use to lower surface friction and wear Reza Gheisari 2023-12-26 $477,135,000
11254032 Surface texturing for advanced polymers Pixiang Lan, Jacob Meyer 2022-02-22
11225626 Phase change material compositions and methods for their use to lower surface friction and wear Reza Gheisari 2022-01-18 $520,121,000
9534138 Polymer coating system for improved tribological performance James Economy, Jacob Meyer 2017-01-03
6714386 Disc drive having a suspension limiter for improved shock performance David G. Wobbe, Zine-Eddine Boutaghou 2004-03-30 $10,245,000
6647612 Method for constructing an ultra-low-flying-height slider Zine-Eddine Boutaghou, Jorge Vicente Hanchi, Thomas Roy Pitchford, Anthony P. Sannino 2003-11-18 $14,109,000
6611400 Texture structure for optimizing head disc interface Zine-Eddine Boutaghou, Daniel Paul Burbank 2003-08-26 $12,279,000
6603639 Slider for disc storage system Zine-Eddine Boutaghou, Daniel Paul Burbank, Jing Gui, Jorge V. Hanchi, Lance E. Stover +1 more 2003-08-05 $11,339,000
6542334 Edge structure for slider-disc interface and method of manufacture therefor Mary Cynthia Hipwell, Zine-Eddine Boutaghou 2003-04-01 $6,510,000
6483668 Edge contact protection feature for a disc drive head Mary Cynthia Hipwell, Zine-Eddine Boutaghou 2002-11-19
6466410 Slider for a data storage device with head disc interface for contact starts and stops (“CSS”) Zine-Eddine Boutaghou, Jorge V. Hanchi, Peter Segar, David G. Wobbe, Mary Cynthia Hipwell 2002-10-15
6392842 Enhanced durability ultra-low-flying-height sliders Zine-Eddine Boutaghou, Jorge Vicente Hanchi, Thomas Roy Pitchford, Anthony P. Sannino 2002-05-21
6304418 Enhanced durability ultra-low-flying-height sliders Zine-Eddine Boutaghou, Jorge Vicente Hanchi, Thomas Roy Pitchford, Anthony P. Sannino 2001-10-16
6296552 Burnishing head with fly height control spacer Zine-Eddine Boutaghou, Mark J. Schaenzer, William Omar Liners, Joel William Hoehn 2001-10-02
6212042 Slider having air bearing surface which includes pads for disk storage system Jing Gui, Bruno Marchon, Daniel Paul Burbank, Joel William Hoehn, Jeffery K. Berkowitz +10 more 2001-04-03