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USPTO Patent Rankings Data through Dec 31, 2025
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MI

Mitsuyoshi Ishikawa — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Nagakute, JP: #157 of 320 inventorsTop 50%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Mitsuyoshi Ishikawa has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 2006 and the most recent in May 2025. Mitsuyoshi Ishikawa ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Mitsuyoshi Ishikawa in Nagakute, JP.

Patents per Year

Patents granted per year, 2006 to 2025Bar chart with a peak of 1 patents in 2006.peak 12006: 1 patents20062016: 1 patents20162025: 1 patents2025

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12311235 Ball for ball game Shinji Katsurayama, Akio Takagi, Hironori Sato, Tatsuki Shimojo 2025-05-27
9366423 LED illumination device Jongkook Park, Taro Okamoto, Kazuhiro Katou 2016-06-14
7142989 Computer software to computer-design optimum oligo-nucleic acid sequence candidate from nucleic acid base sequences analyzed and method thereof Yoshiaki Aoki 2006-11-28

Frequent Collaborators

Hironori Sato1 shared
Shinji Katsurayama1 shared
Tatsuki Shimojo1 shared
Akio Takagi1 shared
Kazuhiro Katou1 shared
Yoshiaki Aoki1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3