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USPTO Patent Rankings Data through Sept 30, 2025
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Yutaka Yoshida

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Wakayama, JP: #2 of 3 inventorsTop 70%
Overall (2004): #78,983 of 270,089Top 30%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6797420 Power generation device and operation method therefor Kunihiro Ukai, Takeshi Tomizawa, Kiyoshi Taguchi, Toshiyuki Shono, Koichiro KITAGAWA +4 more 2004-09-28