Inventor

IWATANI AKITOSHI

JP13 patents

⚠️ This page may combine multiple inventors who share the name “IWATANI AKITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ISHIGAKI MECH IND

7 patents

US4900436AFeb 13, 1990

Apparatus for cake removal in a filter press

ISHIGAKI MECH IND27 citations92

US4198301AApr 15, 1980

Filter apparatus using floating filter medium

ISHIGAKI MECH IND36 citations92

US4200532AApr 29, 1980

Wastewater treatment apparatus

ISHIGAKI MECH IND54 citations90

US4032450AJun 28, 1977

Filter press

ISHIGAKI MECH IND27 citations81

US4511469AApr 16, 1985

Filter press of movable twin head type

ISHIGAKI MECH IND10 citations73

US5741418AApr 21, 1998

Filter cloth suspending apparatus in filter press

ISHIGAKI MECH IND7 citations71

US4178251ADec 11, 1979

Apparatus for dehydration of sludge

ISHIGAKI MECH IND6 citations62

DAIKIN IND LTD

6 patents

US4250300AFeb 10, 1981

Fluorine-containing polyesters, and their production and use

DAIKIN IND LTD25 citations80

US4165338AAug 21, 1979

2-Hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl derivatives, their production and use

DAIKIN IND LTD26 citations80

US4084059AApr 11, 1978

2-Hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl derivatives, and their production and use

DAIKIN IND LTD10 citations72

US3944587AMar 16, 1976

Hydroxypolyfluoroalkyl-containing silane derivatives and manufacturing the same

DAIKIN IND LTD9 citations71

US4182846AJan 8, 1980

Fluorine-containing copolymers, and their production and use

DAIKIN IND LTD6 citations61

US3956405AMay 11, 1976

Process for manufacturing polyfluoroalkyl propanols

DAIKIN IND LTD4 citations60