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USPTO Patent Rankings Data through Dec 31, 2025
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Rie Sudo — 4 Patents

SESeiko Epson: 3 patents #3,864 of 7,774Top 50%
KCKing Jim Co.: 1 patents #89 of 138Top 65%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Rie Sudo has been granted 4 US patents while listed as an inventor at Seiko Epson. The first was granted in 2000 and the most recent in December 2025. Rie Sudo ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Rie Sudo in Tokyo, JP.

Patents per Year

Patents granted per year, 2000 to 2002Bar chart with a peak of 1 patents in 2000.peak 12000: 1 patents20002001: 1 patents20012002: 1 patents2002

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12499328 Tonal language dictionary search device, tonal language dictionary search method, and non-transitory computer-readable storage medium storing a computer program readable by a computer of a tonal language dictionary search device — 2025-12-16
6373510 Tape printing apparatus and method of forming print image for tape Takeshi Hosokawa, Kenji Watanabe, Tomoyuki Ichikawa, Kenichi Tanabe 2002-04-16
6290327 Image-forming device and printing apparatus incorporating the device as well as image-forming method therefor Takeshi Hosokawa, Kenji Watanabe, Tomoyuki Ichikawa, Kenichi Tanabe 2001-09-18
6106176 Printing method and apparatus Shigekazu Yanagisawa, Yoshio Karasawa, Kenji Watanabe, Tomoyuki Ichikawa, Kenichi Tanabe 2000-08-22

Frequent Collaborators

Kenji Watanabe3 shared
Kenichi Tanabe3 shared
Tomoyuki Ichikawa3 shared
Takeshi Hosokawa2 shared
Shigekazu Yanagisawa1 shared
Yoshio Karasawa1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4