Inventor · disambiguated record
Kiyoharu Hirao
Also filed as: HIRAO KIYOHARU
4 granted patents·11 citations·filing 1996–2011
68Inventor score
Top patents by PatentIndex Score
4 records- 0155US6706907B1Method of purifying organic phosphoric esterDAIHACHI CHEM IND·Filed 2000·Granted Mar 16, 2004·3 cites·13 claims
- 0245US5880308AProcess for preparing aromatic bisphosphatesDAIHACHI CHEM IND·Filed 1996·Granted Mar 9, 1999·4 cites·19 claims
- 0328US8822715B2Method for producing aromatic diphosphatesHIRAO KIYOHARU·Filed 2011·Granted Sep 2, 2014·0 cites·11 claims
- 0425US5679824AMethod of pulverizing aromatic phosphatesDAIHACHI CHEM IND·Filed 1996·Granted Oct 21, 1997·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →