Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TI

Tadahiro Iwamoto — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
CCChugai Ro Co.: 1 patents #41 of 127Top 35%
Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Tokyo, CA: #547 of 583 inventorsTop 95%
Overall (All Time): #1,451,247 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10663229 Cooling apparatus of heating furnace Noriyuki Yokoi 2020-05-26
6316042 Cooked rice for low temperature distribution 2001-11-13
4912669 Document-editing system Mituo Katou, Masakazu Yamamoto 1990-03-27