Kouju SUGIYAMA

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photoluminescent material containing silver ion
- Patent number 8,491,141
- Issue date Jul 23, 2013
- Rengo Co., Ltd.
- Kouju Sugiyama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Composition containing inorganic porous crystals-hydrophilic macrom...
- Patent number 6,372,333
- Issue date Apr 16, 2002
- Rengo Co., Ltd.
- Kouju Sugiyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Inorganic porous crystals-hydrophilic macromolecule composite
- Patent number 5,981,052
- Issue date Nov 9, 1999
- Rengo Co., Ltd.
- Kouju Sugiyama
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Silver-containing tobermorite
- Patent number 5,439,866
- Issue date Aug 8, 1995
- Rengo Co., Ltd.
- Naokazu Sakoda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
PHOTO-LUMINESCENT MATERIAL
- Publication number 20190153312
- Publication date May 23, 2019
- RENGO CO., LTD.
- Kouju SUGIYAMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PHOTOLUMINESCENT MATERIAL
- Publication number 20180148642
- Publication date May 31, 2018
- Rengo Co., Ltd.
- Kouju SUGIYAMA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PHOTOLUMINESCENT MATERIAL CONTAINING SILVER ION
- Publication number 20120026719
- Publication date Feb 2, 2012
- Kouju SUGIYAMA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL