Inventor · disambiguated record
Tiaki Umezawa
Also filed as: UMEZAWA TIAKI
3 granted patents·255 citations·filing 1992–1994
78Inventor score
Top patents by PatentIndex Score
3 records- 0193US5281745AProcess for producing nitrilesMITSUBISHI CHEM IND·Filed 1992·Granted Jan 25, 1994·155 cites·12 claims
- 0291US5231214AProcess for producing nitrilesMITSUBISHI CHEM IND·Filed 1992·Granted Jul 27, 1993·46 cites·11 claims
- 0383US5472925ACatalyst for the production of nitrilesMITSUBISHI CHEM CORP·Filed 1994·Granted Dec 5, 1995·54 cites·19 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →