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Eric Toriumi — 4 Patents

LRLearning Resources: 3 patents #3 of 25Top 15%
Chicago, IL: #3,117 of 13,327 inventorsTop 25%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Eric Toriumi has been granted 4 US patents while listed as an inventor at Learning Resources. The first was granted in 1997 and the most recent in December 1999. Eric Toriumi ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Eric Toriumi in Chicago, IL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5999339 Hand-held magnifying device Wai Hing Kam, Yau Chung Siu 1999-12-07
D407423 Slide viewer Lonnie C. Pogue 1999-03-30
D400813 Teaching scale Tirza Ernst 1998-11-10
D379315 Educational balance Richard Woldenberg, Lonnie C. Pogue, Brian Macowski 1997-05-20

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