{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "IBM", "item": "https://www.patentleaderboard.com/company/ibm"}, {"@type": "ListItem", "position": 3, "name": "Michael A. Gray", "item": "https://www.patentleaderboard.com/inventor/fl:mi_ln:gray-26"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MG

Michael A. Gray — 9 Patents

IBM: 4 patents #21,783 of 70,183Top 35%
MAMacdonald, Dettwiler And Associates: 3 patents #27 of 124Top 25%
ATAT&T: 2 patents #7,295 of 18,772Top 40%
Toronto, CA: #856 of 9,482 inventorsTop 10%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Michael A. Gray has been granted 9 US patents while listed as an inventor at IBM. The first was granted in 1985 and the most recent in May 2016. Michael A. Gray ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Michael A. Gray in Toronto, ON, CA.

Patents per Year

Patents granted per year, 1985 to 2016Bar chart with a peak of 3 patents in 1992.peak 31985: 1 patents19851986: 1 patents19861992: 3 patents19921995: 1 patents19952013: 2 patents20132016: 1 patents2016

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9333041 Surgical manipulator Benny Hon Bun Yeung, Dennis Gregoris, Bronislaw Bednarz 2016-05-10
8491603 Surgical manipulator Benny Hon Bun Yeung, Dennis Gregoris, Bronislaw Bednarz 2013-07-23
8444631 Surgical manipulator Benny Hon Bun Yeung, Dennis Gregoris, Bronislaw Bednarz 2013-05-21
5414227 Stylus tilt detection apparatus for communication with a remote digitizing display Karl Schubert, Guy F. Verrier 1995-05-09 $8,374,000
5149919 Stylus sensing system Evon C. Greanias, Frank L. Stein, Robert L. Donaldson 1992-09-22 $13,073,000
5117071 Stylus sensing system Evon C. Greanias, Frank L. Stein, Robert L. Donaldson 1992-05-26 $13,293,000
5086495 Solid modelling system with logic to discard redundant primitives Alan R. Halbert, Stephen J. Todd 1992-02-04 $27,911,000
4578761 Separating an equivalent circuit into components to detect terminating networks 1986-03-25
4501935 Detecting a DC nonlinearity terminating a network 1985-02-26