Inventor · disambiguated record
Masaaki Kumamura
Also filed as: KUMAMURA MASAAKI
8 granted patents·172 citations·filing 1983–1999
88Inventor score
Top patents by PatentIndex Score
8 records- 0184US4555228AApparatus for automatically exchanging die for injection moldingSUMITOMO HEAVY INDUSTRIES·Filed 1983·Granted Nov 26, 1985·61 cites·5 claims
- 0268US5143736ANozzle touch device in an injection molding apparatusCANON KK·Filed 1990·Granted Sep 1, 1992·29 cites·4 claims
- 0366US5102587AInjection mold using screw thrust controlCANON KK·Filed 1990·Granted Apr 7, 1992·27 cites·2 claims
- 0465US6223014B1Developer-regulating member, development device, process cartridge, and process for producing developer-regulating memberCANON KK·Filed 1999·Granted Apr 24, 2001·17 cites·13 claims
- 0553US5217725AElectrically driven type injection molding apparatusCANON KK·Filed 1991·Granted Jun 8, 1993·17 cites·6 claims
- 0641US5092753AElectric injection molding apparatusCANON KK·Filed 1990·Granted Mar 3, 1992·10 cites·2 claims
- 0738US5110522AElectrically driven type injection molding methodCANON KK·Filed 1990·Granted May 5, 1992·9 cites·2 claims
- 0831US6447707B1Molding method of thermosetting resin and mold with unnecessary gap heatingCANON KK·Filed 1999·Granted Sep 10, 2002·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →