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USPTO Patent Rankings Data through Sept 30, 2025
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Kaoru Imai — 1 Patent

Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,809,131 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5357439 Custom-made manufacturing system and custom-made manufacturing method Kichie Matsuzaki, Hideaki Suzuki, Hideaki Matoba, Masahiro Watanabe, Hidetoshi Inaba +6 more 1994-10-18