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Richard Eason — 7 Patents

Bangor, ME: #6 of 65 inventorsTop 10%
Maine: #593 of 4,281 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Richard Eason has been granted 7 US patents. The first was granted in 1996 and the most recent in June 2007. Richard Eason ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Richard Eason in Bangor, ME, US.

Patents per Year

Patents granted per year, 1996 to 2007Bar chart with a peak of 2 patents in 2004.peak 21996: 1 patents19961998: 1 patents19982002: 1 patents20022004: 2 patents20042005: 1 patents20052007: 1 patents2007

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7231049 Electronic mailing system Eiji Kawaguchi 2007-06-12
6978035 Information hiding system, method, and printed matter into which information is hidden Eiji Kawaguchi, Kunihiro Tsuda 2005-12-20
6742712 Information card and information card system Eiji Kawaguchi, Kunihiro Tsuda 2004-06-01
6697498 Method and computer program product for hiding information in an indexed color image Eiji Kawaguchi, Michiharu Niimi 2004-02-24
6473516 Large capacity steganography Eiji Kawaguchi 2002-10-29
5748157 Display apparatus utilizing persistence of vision — 1998-05-05
5485643 Apparatus and process for trimming a sole of a shoe Eric Beenfeldt 1996-01-23

Frequent Collaborators

Eiji Kawaguchi5 shared
Kunihiro Tsuda2 shared
Michiharu Niimi1 shared
Eric Beenfeldt1 shared

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