Inventor · disambiguated record
Yoichi Hiraga
Also filed as: HIRAGA YOICHI · KIKUCHI MITSUO
11 granted patents·116 citations·filing 1976–1985
90Inventor score
Files withTOYO SODA MFG CO LTD11
Top patents by PatentIndex Score
11 records- 0183US4355014AStable calcium hypochlorite composition and method for manufacture thereofTOYO SODA MFG CO LTD·Filed 1980·Granted Oct 19, 1982·48 cites·11 claims
- 0271US4582937AProcess for recovering ethyleneaminesTOYO SODA MFG CO LTD·Filed 1985·Granted Apr 15, 1986·10 cites·18 claims
- 0367US4070443AProcess for removing sulfate ions from extracted phosphoric acid with a barium compoundTOYO SODA MFG CO LTD·Filed 1976·Granted Jan 24, 1978·14 cites·13 claims
- 0462US4044108AProcess for removing organic material from wet process phosphoric acidTOYO SODA MFG CO LTD·Filed 1976·Granted Aug 23, 1977·11 cites·10 claims
- 0554US4041134AProcess for removing sulfate ions from extracted phosphoric acid employing barium compounds and activated carbonTOYO SODA MFG CO LTD·Filed 1976·Granted Aug 9, 1977·8 cites·6 claims
- 0649US4154805APhosphoric acid purificationTOYO SODA MFG CO LTD·Filed 1977·Granted May 15, 1979·7 cites·4 claims
- 0748US4377562ASolvent extraction method of phosphoric acidTOYO SODA MFG CO LTD·Filed 1981·Granted Mar 22, 1983·7 cites·4 claims
- 0840US4637922AMethod for removing organic materials from a wet process phosphoric acidTOYO SODA MFG CO LTD·Filed 1985·Granted Jan 20, 1987·5 cites·2 claims
- 0938US4208389APurification of phosphoric acidTOYO SODA MFG CO LTD·Filed 1979·Granted Jun 17, 1980·4 cites·5 claims
- 1032US4349519APurification of wet process phosphoric acidTOYO SODA MFG CO LTD·Filed 1980·Granted Sep 14, 1982·2 cites·3 claims
- 1128US4169881AProcess for removing dissolved silica from extracted phosphoric acidTOYO SODA MFG CO LTD·Filed 1977·Granted Oct 2, 1979·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →