Inventor · disambiguated record
Seiichi Hamano
Also filed as: HAMANO SEIICHI
4 granted patents·133 citations·filing 1979–1994
81Inventor score
Top patents by PatentIndex Score
4 records- 0182US5155085AHeat resistant transition alumina and process for producing the sameSUMITOMO CHEMICAL CO·Filed 1991·Granted Oct 13, 1992·41 cites·14 claims
- 0281US4260524AHollow catalyst carrier and hollow catalyst made of transition-alumina and process for production thereofSUMITOMO ALUMINIUM SMELTING CO·Filed 1979·Granted Apr 7, 1981·30 cites·12 claims
- 0380US4444899AProcess for the production of low density activated alumina formed productSUMITOMO ALUMINUM SMELTING COM·Filed 1983·Granted Apr 24, 1984·40 cites·5 claims
- 0470US5508016AProcess for production of transition aluminaSUMITOMO CHEMICAL CO·Filed 1994·Granted Apr 16, 1996·22 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →