Yoko Goka

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas current classifier and process for producing toner
- Patent number 5,931,306
- Issue date Aug 3, 1999
- Canon Kabushiki Kaisha
- Satoshi Mitsumura
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Gas current classifier and process for producing toner
- Patent number 5,712,075
- Issue date Jan 27, 1998
- Canon Kabushiki Kaisha
- Satoshi Mitsumura
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Toner production process
- Patent number 5,447,275
- Issue date Sep 5, 1995
- Canon Kabushiki Kaisha
- Yoko Goka
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING