Masaaki Kumamura

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Molding method of thermosetting resin and mold with unnecessary gap...
- Patent number 6,447,707
- Issue date Sep 10, 2002
- Canon Kabushiki Kaisha
- Kenichi Sakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Developer-regulating member, development device, process cartridge,...
- Patent number 6,223,014
- Issue date Apr 24, 2001
- Canon Kabushiki Kaisha
- Kentaro Niwano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrically driven type injection molding apparatus
- Patent number 5,217,725
- Issue date Jun 8, 1993
- Canon Kabushiki Kaisha
- Ryohei Inaba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Nozzle touch device in an injection molding apparatus
- Patent number 5,143,736
- Issue date Sep 1, 1992
- Canon Kabushiki Kaisha
- Masaaki Kumamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Electrically driven type injection molding method
- Patent number 5,110,522
- Issue date May 5, 1992
- Canon Kabushiki Kaisha
- Ryohei Inaba
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection mold using screw thrust control
- Patent number 5,102,587
- Issue date Apr 7, 1992
- Canon Kabushiki Kaisha
- Masaaki Kumamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Electric injection molding apparatus
- Patent number 5,092,753
- Issue date Mar 3, 1992
- Canon Kabushiki Kaisha
- Masaaki Kumamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Masaaki Kumamura

Person

Patents Grantslast 30 patents

Molding method of thermosetting resin and mold with unnecessary gap...

Developer-regulating member, development device, process cartridge,...

Electrically driven type injection molding apparatus

Nozzle touch device in an injection molding apparatus

Electrically driven type injection molding method

Injection mold using screw thrust control

Electric injection molding apparatus