Inventor · disambiguated record
Itsuo Hirano
Also filed as: HIRANO ITSUO · KAWAHARA YUJI
4 granted patents·43 citations·filing 1977–1980
74Inventor score
Files withTOYO SODA MFG CO LTD4
Top patents by PatentIndex Score
4 records- 0195US4137072AAdditive for use in refining ironTOYO SODA MFG CO LTD·Filed 1977·Granted Jan 30, 1979·29 cites·4 claims
- 0253US4217133ARefining additive and process for preparing sameTOYO SODA MFG CO LTD·Filed 1979·Granted Aug 12, 1980·8 cites·7 claims
- 0333US4139181AApparatus for preparing metallic magnesiumTOYO SODA MFG CO LTD·Filed 1977·Granted Feb 13, 1979·3 cites·5 claims
- 0431US4347077AProcess for producing magnesium alloysTOYO SODA MFG CO LTD·Filed 1980·Granted Aug 31, 1982·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →