Kousuke OGURA

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Shinagawa-ku, Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
WATER-BASED BALLPOINT PEN
- Publication number 20220194118
- Publication date Jun 23, 2022
- MITSUBISHI PENCIL COMPANY, LIMITED
- Kousuke OGURA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS
- Publication number 20210371686
- Publication date Dec 2, 2021
- MITSUBISHI PENCIL COMPANY, LIMITED
- Kousuke OGURA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...