Inventor
NAKATSUGAWA NAOKI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “NAKATSUGAWA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
7 patentsUS5445798AAug 29, 1995
Microbe propagation preventing apparatus and microbe propagation preventing method
MITSUBISHI ELECTRIC CORP84 citations95
US6884355B2Apr 26, 2005
Process for treating organic wastewater and apparatus for treating the organic wastewater
MITSUBISHI ELECTRIC CORP26 citations92
US5527459AJun 18, 1996
Microbe propagation preventing apparatus
MITSUBISHI ELECTRIC CORP34 citations92
US5484570AJan 16, 1996
Microbe propagation prenvention method
MITSUBISHI ELECTRIC CORP24 citations92
US5591349AJan 7, 1997
Microorganism removing method
MITSUBISHI ELECTRIC CORP26 citations91
US7320759B2Jan 22, 2008
Sludge treatment method
MITSUBISHI ELECTRIC CORP0 citations51
US7288191B2Oct 30, 2007
Sludge treatment apparatus
MITSUBISHI ELECTRIC CORP0 citations51
HITACHI LTD
4 patentsUS6144005ANov 7, 2000
Vacuum switch and a vacuum switchgear using the same
HITACHI LTD30 citations91
US8045322B2Oct 25, 2011
Solid insulated bus switchgear
HITACHI LTD16 citations82
US6259051B1Jul 10, 2001
Vacuum switch and a vacuum switchgear using the same
HITACHI LTD9 citations72
US7983023B2Jul 19, 2011
Earthing equipment for switchgear
HITACHI LTD3 citations58
JAPAN RES DEV CORP
3 patentsUS5350684ASep 27, 1994
Extremely halophilic methanogenic archaebacteria
JAPAN RES DEV CORP57 citations96
US5143835ASep 1, 1992
Alkalophilic methanogen and fast methane fermentation method
JAPAN RES DEV CORP17 citations73
US5055406AOct 8, 1991
Extremely halophilic methanogenic archaebacteria
JAPAN RES DEV CORP3 citations62