Inventor · disambiguated record
Makoto Ishizu
Also filed as: ISHIZU MAKOTO
4 granted patents·38 citations·filing 1986–1997
75Inventor score
Top patents by PatentIndex Score
4 records- 0160US5919294ARecording liquidMITSUBISHI CHEM CORP·Filed 1997·Granted Jul 6, 1999·19 cites·13 claims
- 0251US4808395AHigh-quality coloring carbon black and process for its productionMITSUBISHI CHEM IND·Filed 1986·Granted Feb 28, 1989·12 cites·4 claims
- 0332US5738714ARecording liquidMITSUBISHI CHEM CORP·Filed 1996·Granted Apr 14, 1998·4 cites·10 claims
- 0429US5547498AEasily dispersible coloring carbon black and process for preparing an inkMITSUBISHI CHEM CORP·Filed 1995·Granted Aug 20, 1996·3 cites·9 claims
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