Koji Iwasaki

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite particles, composite particles for forming liquid-encapsu...
- Patent number 11,795,276
- Issue date Oct 24, 2023
- Ricoh Company, Ltd.
- Koji Iwasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer, resin composition, light control material, optical wavegui...
- Patent number 11,274,174
- Issue date Mar 15, 2022
- Ricoh Company, Ltd.
- Koji Iwasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer composition and optical material
- Patent number 10,562,993
- Issue date Feb 18, 2020
- Ricoh Company, Ltd.
- Koji Iwasaki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
POLYMER COMPOSITION AND OPTICAL MATERIAL
- Publication number 20180273658
- Publication date Sep 27, 2018
- Koji IWASAKI
- G02 - OPTICS
Information Patent Application
MULTILAYER FILM, MULTILAYER FILM COMPOSITE, OPTICAL COMPONENT, AND...
- Publication number 20180275433
- Publication date Sep 27, 2018
- Koji IWASAKI
- B60 - VEHICLES IN GENERAL
Information Patent Application
WATER-DECOMPOSABLE RESIN COMPOSITION, SUPPORT MATERIAL FOR USE IN M...
- Publication number 20160068671
- Publication date Mar 10, 2016
- RICOH COMPANY, LTD.
- Atsumi Yamabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...