Katsunori Kitazawa

Person

Fujioka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Solid drawing material
- Patent number 10,023,756
- Issue date Jul 17, 2018
- Mitsubishi Pencil Company, Limited
- Huyen Nguyen Thi Thanh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Solid drawing material and solid drawing tool
- Patent number 9,090,784
- Issue date Jul 28, 2015
- Mitsubishi Pencil Company, Limited
- Katsunori Kitazawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Pencil lead and production process for the same
- Patent number 8,349,063
- Issue date Jan 8, 2013
- Mitsubishi Pencil Company, Limited
- Satoru Banzai
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Process for producing sintered color pencil lead
- Patent number 6,746,524
- Issue date Jun 8, 2004
- Mitsubishi Pencil Kabushiki Kaisha
- Katsunori Kitazawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Baked colored pencil lead and process for producing the same
- Patent number 6,645,279
- Issue date Nov 11, 2003
- Mitsubishi Pencil Kabushiki Kaisha
- Katsunori Kitazawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Baked color pencil lead and process for producing the same
- Patent number 5,911,814
- Issue date Jun 15, 1999
- Mitsubishi Pencil Kabushiki Kaisha
- Katsunori Kitazawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Calcined pencil leads and method of manufacturing the same
- Patent number 5,645,629
- Issue date Jul 8, 1997
- Mitsubishi Pencil Kabushiki Kaisha
- Katsunori Kitazawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Non-baked color pencil leads and method for preparing same
- Patent number 5,595,700
- Issue date Jan 21, 1997
- Mitsubishi Pencil Kabushiki Kaisha
- Katsunori Kitazawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Non-baked color pencil leads and method for preparing same
- Patent number 5,318,622
- Issue date Jun 7, 1994
- Mitsubishi Pencil Kabushiki Kaisha
- Katsunori Kitazawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Solid Drawing Material
- Publication number 20170051173
- Publication date Feb 23, 2017
- Mitsubishi Pencil Company, Limited
- Huyen Nguyen Thi Thanh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SOLID DRAWING MATERIAL AND SOLID DRAWING TOOL
- Publication number 20130177345
- Publication date Jul 11, 2013
- MITSUBISHI PENCIL COMPANY, LIMITED
- Katsunori Kitazawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
PENCIL LEAD AND PRODUCTION PROCESS FOR THE SAME
- Publication number 20120037035
- Publication date Feb 16, 2012
- MITSUBISHI PENCIL COMPANY, LIMITED
- Satoru Banzai
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Katsunori Kitazawa

Person

Patents Grantslast 30 patents

Solid drawing material

Solid drawing material and solid drawing tool

Pencil lead and production process for the same

Process for producing sintered color pencil lead

Baked colored pencil lead and process for producing the same

Baked color pencil lead and process for producing the same

Calcined pencil leads and method of manufacturing the same

Non-baked color pencil leads and method for preparing same

Non-baked color pencil leads and method for preparing same

Patents Applicationslast 30 patents

Solid Drawing Material

SOLID DRAWING MATERIAL AND SOLID DRAWING TOOL

PENCIL LEAD AND PRODUCTION PROCESS FOR THE SAME