Inventor · disambiguated record
Naoki Nakatsugawa
Also filed as: NAKATSUGAWA NAOKI
10 granted patents·271 citations·filing 1988–2006
91Inventor score
Top patents by PatentIndex Score
10 records- 0192US5350684AExtremely halophilic methanogenic archaebacteriaJAPAN RES DEV CORP·Filed 1991·Granted Sep 27, 1994·57 cites·3 claims
- 0283US6884355B2Process for treating organic wastewater and apparatus for treating the organic wastewaterMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Apr 26, 2005·26 cites·14 claims
- 0379US5445798AMicrobe propagation preventing apparatus and microbe propagation preventing methodMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Aug 29, 1995·84 cites·30 claims
- 0477US5527459AMicrobe propagation preventing apparatusMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jun 18, 1996·34 cites·33 claims
- 0576US5143835AAlkalophilic methanogen and fast methane fermentation methodJAPAN RES DEV CORP·Filed 1989·Granted Sep 1, 1992·17 cites·7 claims
- 0669US5484570AMicrobe propagation prenvention methodMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jan 16, 1996·24 cites·6 claims
- 0761US5591349AMicroorganism removing methodMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jan 7, 1997·26 cites·6 claims
- 0854US7320759B2Sludge treatment methodMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jan 22, 2008·0 cites·14 claims
- 0950US5055406AExtremely halophilic methanogenic archaebacteriaJAPAN RES DEV CORP·Filed 1988·Granted Oct 8, 1991·3 cites·8 claims
- 1048US7288191B2Sludge treatment apparatusMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Oct 30, 2007·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →