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USPTO Patent Rankings Data through Sept 30, 2025
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Sadayoshi Taguchi — 2 Patents

Hitachi: 2 patents #13,388 of 28,497Top 50%
Hadano, JP: #439 of 1,025 inventorsTop 45%
Overall (All Time): #2,308,914 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5109238 Thick film resistor material and thermal head obtained therefrom Michihiro Watanabe, Kazutaka Sato, Munetoshi Zen, Kazuhiko Ato, Yoshinobu Watanabe 1992-04-28
5021194 Thick film resistor material and thermal head obtained therefrom Michihiro Watanabe, Kazutaka Sato, Munetoshi Zen, Kazuhiko Ato, Yoshinobu Watanabe 1991-06-04