Inventor · disambiguated record
Ryozo Hamana
Also filed as: HAMANA RYOZO
5 granted patents·30 citations·filing 1984–1998
77Inventor score
Top patents by PatentIndex Score
5 records- 0168US4544749AProcess for production of piperidineMITSUBISHI PETROCHEMICAL CO·Filed 1984·Granted Oct 1, 1985·7 cites·12 claims
- 0263US6388154B1Process for producing styreneMITSUBISHI CHEM CORP·Filed 1998·Granted May 14, 2002·10 cites·9 claims
- 0362US4605742AProcess for the production of piperidineMITSUBISHI PETROCHEMICAL CO·Filed 1985·Granted Aug 12, 1986·6 cites·16 claims
- 0462US4598159AProcess for producing furfurylamine and/or tetrahydrofurfurylamineMITSUBISHI PETROCHEMICAL CO·Filed 1984·Granted Jul 1, 1986·5 cites·10 claims
- 0531US5023383AMethod for producing aromatic alcoholMITSUBISHI PETROCHEMICAL CO·Filed 1990·Granted Jun 11, 1991·2 cites·15 claims
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