Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mikio Doi — 2 Patents

AMAmtec: 1 patents #4 of 11Top 40%
CNCity Of Nagoya: 1 patents #4 of 21Top 20%
TCTaiyo Kagaku Co.: 1 patents #46 of 128Top 40%
Suita, JP: #553 of 1,253 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Mikio Doi has been granted 2 US patents while listed as an inventor at Amtec. The first was granted in 2009 and the most recent in June 2015. Mikio Doi ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Mikio Doi in Suita, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9062177 Agent for imparting impact resistance to polylactic acid resin Yoshihiko Takase, Naoki Kondo, Hiroya Kuroda, Mami Nanami, Masaki Harada +4 more 2015-06-23
7547552 Indication composition for surgical instrument cleaning evaluation Shigeru Ura 2009-06-16 $6,700,000