Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ryuji Uesugi — 4 Patents

KOKonica: 3 patents #771 of 1,958Top 40%
MMMitsubishi Materials: 1 patents #812 of 1,543Top 55%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #1,261,705 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6872115 Blade with comb teeth coated with a compound layer for forming ribs and its production method Hideaki Sakurai, Kunio Sugamura, Yoshio Kanda, Yoshirou Kuromitsu, Young-Cheul Kang +5 more 2005-03-29
5640642 Processing apparatus for light-sensitive material Nobu Nakane, Yutaka Osone, Yoshifumi Tsubaki 1997-06-17
5576795 Automatic processing apparatus for silver halide photographic light-sensitive material Tetsuya Kurimoto, Tsuyoshi Haraguchi 1996-11-19
5570154 Automatic developing apparatus, using solid processing agent dissolved in water, for developing a photosensitive material Tetsuya Kurimoto 1996-10-29