Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Yasuo Yoshimura — 27 Patents

Panasonic: 21 patents #931 of 21,108Top 5%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
HDHitachi Denshi: 2 patents #77 of 275Top 30%
KCKoyo Machine Industries Co.: 1 patents #26 of 86Top 35%
Moriyama, JP: #52 of 2,577 inventorsTop 3%
Overall (All Time): #144,352 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
5446453 Residential facility control system Shunichi Nagamoto, Takeshi Muramatu, Masahiro Yamamoto 1995-08-29
4638366 Automatic iris adjustment system Kunio Yamauchi, Kenji Saito 1987-01-20