Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Futoshi Deguchi — 28 Patents

Panasonic: 16 patents #1,398 of 21,108Top 7%
Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%
Overall (All Time): #138,192 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
6677905 Antenna device and mobile communications apparatus including the device Toshinori Komesu, Akihiko Hirata, Sumio Tate 2004-01-13
6448931 Antenna Toshinori Komesu, Masaya Hamasaki 2002-09-10
6292154 Antenna device Kazuyuki Nakashima, Sumio Tate 2001-09-18