Yuka NIIMI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing solid electrolytic capacitor
- Patent number 11,183,340
- Issue date Nov 23, 2021
- Showa Denko K.K.
- Takeshi Kawamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polyisothianaphthene-based electroconductive p...
- Patent number 11,136,432
- Issue date Oct 5, 2021
- Showa Denko K.K.
- Takeshi Kawamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fused heteropolycyclic compound, and method for producing conductiv...
- Patent number 11,104,659
- Issue date Aug 31, 2021
- Showa Denko K.K.
- Takeshi Kawamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING SOLID ELECTROLYTIC CAPACITOR
- Publication number 20200090874
- Publication date Mar 19, 2020
- SHOWA DENKO K.K.
- Takeshi KAWAMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYISOTHIANAPHTHENE-BASED ELECTROCONDUCTIVE P...
- Publication number 20190345287
- Publication date Nov 14, 2019
- SHOWA DENKO K.K.
- Takeshi KAWAMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
FUSED HETEROPOLYCYCLIC COMPOUND, AND METHOD FOR PRODUCING CONDUCTIV...
- Publication number 20190337919
- Publication date Nov 7, 2019
- SHOWA DENKO K.K.
- Takeshi KAWAMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...