Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Stephen T. Takashima — 3 Patents

HPHpm: 3 patents #4 of 22Top 20%
Mansfield, OH: #60 of 264 inventorsTop 25%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Stephen T. Takashima has been granted 3 US patents while listed as an inventor at Hpm. The first was granted in 2000 and the most recent in May 2001. Stephen T. Takashima ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Stephen T. Takashima in Mansfield, OH, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6234659 Surge suppressor for vented injection molding machine screw John C. Medici, Jr. 2001-05-22
6132075 Multichannel wave screw with a slush channel barrier section John C. Medici, Jr., William N. Calland 2000-10-17
6056430 Plasticating apparatus having a multichannel wave screw with a cross channel solids transition John C. Medici, Jr., Gary A. Beilstein 2000-05-02