Inventor · disambiguated record
Takehiko Otoyo
Also filed as: OTOYO TAKEHIKO
4 granted patents·1 pending application·239 citations·filing 1990–2018
80Inventor score
Files withASAHI CHEMICAL IND5
Top patents by PatentIndex Score
5 records- 0193US6495041B2Method for purifying aqueous suspensionASAHI CHEMICAL IND·Filed 2001·Granted Dec 17, 2002·87 cites·17 claims
- 0293US6322703B1Method for purifying aqueous suspensionASAHI CHEMICAL IND·Filed 2000·Granted Nov 27, 2001·86 cites·15 claims
- 0384US5087372AMethod for removing heavy metal ions from contaminated water and a porous membrane usable thereforASAHI CHEMICAL IND·Filed 1990·Granted Feb 11, 1992·66 cites·4 claims
- 0443US11352270B2Porous membrane for membrane distillation, and method for operating membrane distillation moduleASAHI CHEMICAL IND·Filed 2018·Granted Jun 7, 2022·0 cites·12 claims
- 0541US2017259210A1Solvent Separation System and MethodASAHI CHEMICAL IND·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →