Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SH

Sierra Hoff — 9 Patents

SMSixpoint Materials: 8 patents #4 of 6Top 70%
SCSeoul Semiconductor Co.: 7 patents #63 of 277Top 25%
Solvang, CA: #6 of 66 inventorsTop 10%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Sierra Hoff has been granted 9 US patents while listed as an inventor at Sixpoint Materials. The first was granted in 2014 and the most recent in December 2025. Sierra Hoff ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Sierra Hoff in Solvang, CA, US.

Patents per Year

Patents granted per year, 2014 to 2019Bar chart with a peak of 4 patents in 2016.peak 42014: 1 patents20142015: 1 patents20152016: 4 patents20162017: 1 patents20172019: 1 patents2019

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12511700 Method and system for pesticide management of an arable field Philipp Senger 2025-12-30
10316431 Method of growing group III nitride crystals Tadao Hashimoto, Edward Letts 2019-06-11
9543393 Group III nitride wafer and its production method Tadao Hashimoto, Edward Letts 2017-01-10
9518340 Method of growing group III nitride crystals Tadao Hashimoto, Edward Letts 2016-12-13
9452495 Laser slicer of crystal ingots and a method of slicing gallium nitride ingots using a laser slicer Tadao Hashimoto 2016-09-27
9435051 Bismuth-doped semi-insulating group III nitride wafer and its production method Tadao Hashimoto, Edward Letts 2016-09-06
9255342 Bismuth-doped semi-insulating group III nitride wafer and its production method Tadao Hashimoto, Edward Letts 2016-02-09
9202872 Method of growing group III nitride crystals Tadao Hashimoto, Edward Letts 2015-12-01
8921231 Group III nitride wafer and its production method Tadao Hashimoto, Edward Letts 2014-12-30