Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Masami Watari

Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
Hadano, JP: #270 of 1,025 inventorsTop 30%
Overall (All Time): #1,299,536 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D315336 Magnetic tape unit Makoto Tsuchida 1991-03-12
D313016 Automatic cartridge loader for magnetic tape unit Makoto Tsuchida, Masaru Ohshita 1990-12-18
D286051 Line printer Yutaka Nakano, Toshiharu Fudatsuji 1986-10-07
D278542 Point of sale terminal Yoshinori Kakiuchi 1985-04-23