Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Jun Sai — 6 Patents

MMMurata Machinery: 6 patents #45 of 397Top 15%
Overall (All Time): #779,599 of 4,157,543Top 20%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12312167 Stocker system Nobuhiko BABA 2025-05-27
12280945 Stocker Takashi Moriwaki, Kazuma Yagawa 2025-04-22
12103836 Stacker crane Kazuhiro Ishikawa 2024-10-01
12030759 Stacker crane Kazuhiro Ishikawa 2024-07-09
11034519 Article placement apparatus, stocker provided therewith, and transport vehicle system Keisuke Sakata, Kenji Ota 2021-06-15
11027918 Transfer device and stacker crane Kazuhiro Ishikawa 2021-06-08