Inventor · disambiguated record
Akitoshi Iwatani
Also filed as: IWATANI AKITOSHI · YAMADA AKIRA
13 granted patents·247 citations·filing 1974–1995
93Inventor score
Top patents by PatentIndex Score
13 records- 0184US4200532AWastewater treatment apparatusISHIGAKI MECH IND·Filed 1979·Granted Apr 29, 1980·54 cites·9 claims
- 0284US4165338A2-Hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl derivatives, their production and useDAIKIN IND LTD·Filed 1977·Granted Aug 21, 1979·26 cites·9 claims
- 0381US4198301AFilter apparatus using floating filter mediumISHIGAKI MECH IND·Filed 1978·Granted Apr 15, 1980·36 cites·10 claims
- 0478US4250300AFluorine-containing polyesters, and their production and useDAIKIN IND LTD·Filed 1979·Granted Feb 10, 1981·25 cites·21 claims
- 0574US3944587AHydroxypolyfluoroalkyl-containing silane derivatives and manufacturing the sameDAIKIN IND LTD·Filed 1974·Granted Mar 16, 1976·9 cites·13 claims
- 0673US4032450AFilter pressISHIGAKI MECH IND·Filed 1975·Granted Jun 28, 1977·27 cites·2 claims
- 0766US4900436AApparatus for cake removal in a filter pressISHIGAKI MECH IND·Filed 1988·Granted Feb 13, 1990·27 cites·5 claims
- 0857US4084059A2-Hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl derivatives, and their production and useDAIKIN IND LTD·Filed 1975·Granted Apr 11, 1978·10 cites·1 claims
- 0953US3956405AProcess for manufacturing polyfluoroalkyl propanolsDAIKIN IND LTD·Filed 1974·Granted May 11, 1976·4 cites·6 claims
- 1046US4182846AFluorine-containing copolymers, and their production and useDAIKIN IND LTD·Filed 1978·Granted Jan 8, 1980·6 cites·18 claims
- 1144US4511469AFilter press of movable twin head typeISHIGAKI MECH IND·Filed 1982·Granted Apr 16, 1985·10 cites·10 claims
- 1244US4178251AApparatus for dehydration of sludgeISHIGAKI MECH IND·Filed 1978·Granted Dec 11, 1979·6 cites·13 claims
- 1334US5741418AFilter cloth suspending apparatus in filter pressISHIGAKI MECH IND·Filed 1995·Granted Apr 21, 1998·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →