Inventor
Raj Mittra
Inventor
Jeddah, SA
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials50%
H01PWaveguides11%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
F03DWind motors6%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g6%
G01SRadio direction-finding6%
G06KGraphical data reading6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
11,121,441Surface integrated waveguide including radiating elements disposed between curved sections and phase shift elements defined by spaced apart vias202111,068,674RFID tag identification methods, devices, and algorithms based on eigen-mode technique202111,063,329Waveguide phase shifter including a straight waveguide section and a curved waveguide section having vias that can be filled or emptied202110,626,845Wind turbines with reduced electromagnetic scattering202010,594,032Beam scanning antenna and method of beam scanning20209,035,843'Ferrite-loaded, Fabry-Perot cavity antenna'20156,940,457'Multifrequency antenna with reduced rear radiation and reception'20055,786,793'Compact antenna for circular polarization'19985,714,947'Vehicle collision avoidance system'19985,444,452'Dual frequency antenna'19955,323,168'Dual frequency antenna'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1998Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (3)· patent assignee history
1994–1995Based in Champaign, IL, US· patent location history
1998Patents assigned to NORTHROP GRUMMAN CORP (1)· patent assignee history
1998–2015Based in State College, PA, US· patent location history
1998Based in Urbana, IL, US· patent location history
2005Patents assigned to CT FOR REMOTE SENSING INC (1)· patent assignee history
2015Patents assigned to UNIV KING FAHD PET & MINERALS (1)· patent assignee history
2020–2021Patents assigned to UNIV KING ABDULAZIZ (5)· patent assignee history
2020–2021Based in Jeddah, SA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV KING ABDULAZIZ | 5 | 2020–2021 |
| MATSUSHITA ELECTRIC WORKS LTD | 3 | 1994–1998 |
| CT FOR REMOTE SENSING INC | 1 | 2005 |
| NORTHROP GRUMMAN CORP | 1 | 1998 |
| UNIV KING FAHD PET & MINERALS | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Jeddah, SA | 5 | 2020–2021 |
| State College, Pennsylvania, US | 3 | 1998–2015 |
| Champaign, Illinois, US | 2 | 1994–1995 |
| Urbana, Illinois, US | 1 | 1998 |