Inventor · disambiguated record
Tatsuo Hiyoshi
Also filed as: HIYOSHI TATSUO
4 granted patents·1 pending application·51 citations·filing 1988–2006
76Inventor score
Top patents by PatentIndex Score
5 records- 0162US4904701AProcess for preparing an ion exchange membraneASAHI CHEMICAL IND·Filed 1988·Granted Feb 27, 1990·15 cites·6 claims
- 0259US5066682AProcess for preparing an ion exchange membraneASAHI CHEMICAL IND·Filed 1990·Granted Nov 19, 1991·18 cites·19 claims
- 0353US5087345ACation exchange membrane having high stabilityASAHI CHEMICAL IND·Filed 1990·Granted Feb 11, 1992·15 cites·13 claims
- 0447US2007026170A1Recording mediumCANON FINETECH INC·Filed 2006·Application pending·0 cites
- 0529US5264090AMethod for the electrolysis of an alkali metal chloride using a cation exchange membraneASAHI CHEMICAL IND·Filed 1991·Granted Nov 23, 1993·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →