Inventor · disambiguated record
Nobuyuki Tokunaga
Also filed as: TOKUNAGA NOBUYUKI
6 granted patents·36 citations·filing 1989–2011
75Inventor score
Top patents by PatentIndex Score
6 records- 0162US4980201AMethod of forming tungsten carbide by chemical vapor depositionCENTRAL GLASS CO LTD·Filed 1989·Granted Dec 25, 1990·21 cites·12 claims
- 0251US6183713B1Method for producing nitrogen trifluoride by gas-solid reactionCENTRAL GLASS CO LTD·Filed 1999·Granted Feb 6, 2001·15 cites·15 claims
- 0347US8864960B2Fluorine gas generating apparatusYAO AKIFUMI·Filed 2010·Granted Oct 21, 2014·0 cites·10 claims
- 0444US8951393B2Fluorine gas generating apparatusYAO AKIFUMI·Filed 2011·Granted Feb 10, 2015·0 cites·5 claims
- 0541US8864961B2Fluorine gas generating apparatusKIKUCHI AKIOU·Filed 2010·Granted Oct 21, 2014·0 cites·4 claims
- 0640US9097688B2Method and device for measuring water content in hydrogen fluoride-containing fluoride salt compoundsKIKUCHI AKIOU·Filed 2011·Granted Aug 4, 2015·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →