Inventor
KUSUMI TOSHIO
JP12 patents
Patents
12 patentsUS5772884AJun 30, 1998
Porous polytetrafluoroethylene film and process for preparation thereof
DAIKIN IND LTD108 citations97
US5234739AAug 10, 1993
Polytetrafluoroethylene porous film and preparation and use thereof
DAIKIN IND LTD120 citations97
US5562986AOct 8, 1996
Polytetrafluoroethylene fibers, polytetrafluoroethylene materials and process for preparation of the same
DAIKIN IND LTD55 citations96
US5409515AApr 25, 1995
Filter apparatus and filter element
DAIKIN IND LTD66 citations96
US6261979B1Jul 17, 2001
Filter medium and air filter unit using the same
DAIKIN IND LTD69 citations93
US6336948B1Jan 8, 2002
Fire-retardant filter medium and air filter unit
DAIKIN IND LTD40 citations92
US6235388B1May 22, 2001
Fibrous materials of fluororesins and deodorant and antibacterial fabrics made by using the same
DAIKIN IND LTD46 citations92
US5834528ANov 10, 1998
Polytetrafluoroethylene porous composite film
DAIKIN IND LTD43 citations92
US6027553AFeb 22, 2000
Air filter unit and method for manufacturing the same
DAIKIN IND LTD48 citations89
US6269681B1Aug 7, 2001
Group of particles for air filter test and method of air filter test
DAIKIN IND LTD15 citations84
USD366106SJan 9, 1996
Air filter
DAIKIN IND LTD9 citations73
US6355135B1Mar 12, 2002
Method of laminating gas permeable sheet material
DAIKIN IND LTD4 citations62