Inventor · disambiguated record
Kei Hamamoto
Also filed as: HAMAMOTO KEI
6 granted patents·45 citations·filing 2001–2002
79Inventor score
Top patents by PatentIndex Score
6 records- 0172US6676808B2Method for starting up distilling columnNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jan 13, 2004·19 cites·6 claims
- 0268US6581637B2Tank and a method for storing an easily polymerizable compoundNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Jun 24, 2003·14 cites·20 claims
- 0367US6899452B2Apparatus and method for preparation and supply of polymerization inhibitorNIPPON SHOKUBAI CO INC·Filed 2002·Granted May 31, 2005·9 cites·20 claims
- 0441US6495045B2Solid substance removing deviceNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Dec 17, 2002·0 cites·6 claims
- 0539US6960670B2Method for production of maleic anhydrideNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Nov 1, 2005·0 cites·2 claims
- 0637US6613196B2Method for stopping purifying columnNIPPON CATALYTIC CHEM IND·Filed 2001·Granted Sep 2, 2003·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →