Koji Mihara

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning sponge roller
- Patent number 6,684,447
- Issue date Feb 3, 2004
- Aion Co., Ltd.
- Koji Mihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Cleaning sponge roller
- Patent number 6,502,273
- Issue date Jan 7, 2003
- Kanebo, Ltd.
- Koji Mihara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Cleaning sponge roller
- Publication number 20030005537
- Publication date Jan 9, 2003
- KANEBO, LTD.
- Koji Mihara
- H01 - BASIC ELECTRIC ELEMENTS