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

Mark D. Johnson — 1 Patent

Overall (All Time): N/A of 4,157,543
1 Patents All Time
Mark D. Johnson has been granted 1 US patent. All of these patents were granted in 2025.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12449327 Method and apparatus for lamp housing crack detection Philip Mathew, Mehran Behdjat, Masamori Sanaka, Koji Nakanishi, Ryan Murdoch +3 more 2025-10-21