Ryotaro KABA

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Patents Grantslast 30 patents

Information Patent Grant
Oil-based pigment ink composition and oil-based pigment ink writing...
- Patent number 9,683,118
- Issue date Jun 20, 2017
- Sakura Color Products Corporation
- Hidetoshi Fukuo
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
OIL-BASED PIGMENT INK COMPOSITION AND OIL-BASED PIGMENT INK WRITING...
- Publication number 20160075893
- Publication date Mar 17, 2016
- SAKURA COLOR PRODUCTS CORPORATION
- Hidetoshi FUKUO
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES