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Alfred Doi — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Irvine, CA: #2,064 of 6,241 inventorsTop 35%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Alfred Doi has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1989 and the most recent in October 2001. Alfred Doi ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Alfred Doi in Irvine, CA, US.

Patents per Year

Patents granted per year, 1989 to 2001Bar chart with a peak of 1 patents in 1989.peak 11989: 1 patents19891994: 1 patents19941998: 1 patents19982001: 1 patents2001

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6309498 Self-contained thermal transfer label 2001-10-30
D395236 Lined box 1998-06-16
5371058 Ultraviolet protective coatings for application to heat sensitive record materials and other photodegradable printed matter James Wittig 1994-12-06
4886774 Ultraviolet protective overcoat for application to heat sensitive record materials 1989-12-12