Inventor

KIYOTANI HIDEYUKI

JP10 patents

Patents

10 patents

US6682576B1Jan 27, 2004

Air filter medium, process of producing filter medium, air filter pack for air filters, and air filter unit for air filters

DAIKIN IND LTD60 citations95

US6416562B1Jul 9, 2002

Air filter medium, air filter pack and air filter unit comprising the same, and method for producing air filter medium

DAIKIN IND LTD61 citations95

US9707504B2Jul 18, 2017

Composition having PTFE as main component, mixed powder, material for molding, filtering medium for filter, air filter unit, and a method for manufacturing a porous membrane

DAIKIN IND LTD7 citations83

US7387700B2Jun 17, 2008

Method for preparing filtering material

DAIKIN IND LTD9 citations83

US10265661B2Apr 23, 2019

Mixed powder and material for molding having PTFE as main component, and drawn porous body

DAIKIN IND LTD2 citations72

US10265654B2Apr 23, 2019

Filtering medium for air filter, filter pack, air filter unit, and method for producing filtering medium for air filter

DAIKIN IND LTD4 citations71

US7097682B2Aug 29, 2006

Ventilation filter medium for container, and container and container cap equipped with ventilation filter medium

DAIKIN IND LTD6 citations62

US12533614B2Jan 27, 2026

Air filter medium, pleated filter medium, air filter unit, mask filter medium, and method for regenerating air filter medium

DAIKIN IND LTD0 citations50

US12152093B2Nov 26, 2024

Tetrafluoroethylene polymer, air filter medium, filter pack, and air filter unit

DAIKIN IND LTD0 citations44

US10537836B2Jan 21, 2020

Filter medium for air filter, filter pack, air filter unit and method for producing the filter medium for air filter

DAIKIN IND LTD0 citations39