Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Nobutoshi Doi — 3 Patents

NINipro: 3 patents #86 of 473Top 20%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
Osaka, JP: #10,171 of 24,344 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Nobutoshi Doi has been granted 3 US patents while listed as an inventor at Nipro. The first was granted in 2005 and the most recent in December 2012. Nobutoshi Doi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Nobutoshi Doi in Osaka, JP.

Patents per Year

Patents granted per year, 2005 to 2012Bar chart with a peak of 1 patents in 2005.peak 12005: 1 patents20052009: 1 patents20092012: 1 patents2012

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8328826 Precursor of a tissue regenerating instrument provided with a swellable rod Shunsuke Notazawa 2012-12-11
7615063 Nerve regeneration-inducing tube comprising Hideaki Murahashi, Kenichiro Hata 2009-11-10
6953482 Instrument for regenerating living organism tissue or organ Kazuhisa Matsuda, Ken-ichiro Hata, Kensuke Sakai 2005-10-11