Inventor · disambiguated record
John G. Long
Also filed as: DOWNING ROY · LONG JOHN G
6 granted patents·1 pending application·49 citations·filing 1977–2000
79Inventor score
Top patents by PatentIndex Score
7 records- 0172US6309969B1Copper metallization structure and method of constructionUNIV JOHNS HOPKINS·Filed 1998·Granted Oct 30, 2001·39 cites·15 claims
- 0246US4479713APhotographic exposure masksDURST UK LTD·Filed 1983·Granted Oct 30, 1984·4 cites·9 claims
- 0341US4132478AIllumination system for a photographic copying apparatusDURST UK LTD·Filed 1977·Granted Jan 2, 1979·3 cites·13 claims
- 0437US2001001081A1Copper metallization structure and method of constructionFiled 2000·Application pending·0 cites
- 0531US4400084APhotographic exposure masksDURST UK LTD·Filed 1981·Granted Aug 23, 1983·1 cites·6 claims
- 0628US4239382APhotographic printing or enlarging apparatusDURST UK LTD·Filed 1979·Granted Dec 16, 1980·1 cites·7 claims
- 0725US4197001APhotographic processing apparatus with variable sized tanks lined with bag-like plastic tank interiorsDURST UK LTD·Filed 1977·Granted Apr 8, 1980·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →