Inventor
UMEZAWA HIROYUKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
10 patentsUS7156962B2Jan 2, 2007
Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device
SANYO ELECTRIC CO53 citations94
US7014770B2Mar 21, 2006
Filtering method of a colloidal solution
SANYO ELECTRIC CO23 citations92
US6830679B2Dec 14, 2004
Filtration device
SANYO ELECTRIC CO36 citations92
US7157012B2Jan 2, 2007
Water treatment device and water treatment method using the same
SANYO ELECTRIC CO18 citations83
US7438804B2Oct 21, 2008
Coagulation treatment apparatus
SANYO ELECTRIC CO7 citations73
US7396458B2Jul 8, 2008
Wastewater treatment equipment
SANYO ELECTRIC CO7 citations73
US7300592B2Nov 27, 2007
Water treatment device
SANYO ELECTRIC CO8 citations72
US8366888B2Feb 5, 2013
Water treatment apparatus
SANYO ELECTRIC CO3 citations62
US7850769B2Dec 14, 2010
Air filtering apparatus having foreign material removing mechanism
SANYO ELECTRIC CO2 citations62
US7452463B2Nov 18, 2008
Apparatus for treating water
SANYO ELECTRIC CO3 citations59
CLARION CO LTD
4 patentsUS5815468ASep 29, 1998
Dual player automotive audio system capable of playing back two different types of recording mediums
CLARION CO LTD33 citations89
US4227224AOct 7, 1980
Cassette tape recording/reproducing apparatus
CLARION CO LTD15 citations74
US4224647ASep 23, 1980
Magnetic tape-record/playback apparatus
CLARION CO LTD10 citations74
US4209812AJun 24, 1980
Tape player
CLARION CO LTD6 citations63