Toshihiko Umeda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Separate type medical material
- Patent number 7,807,657
- Issue date Oct 5, 2010
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yoshiaki Miyata
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of soluble cellulose derivative having been made hardly soluble...
- Patent number 7,514,097
- Issue date Apr 7, 2009
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yasukazu Himeda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hyaluronic acid gel, process for producing the same, and medical ma...
- Patent number 7,014,860
- Issue date Mar 21, 2006
- Denki Kagaku Kogyo Kabushiki Kaisha
- Masatoshi Kawata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hyaluronic acid gel composition, process for producing the same, an...
- Patent number 6,638,538
- Issue date Oct 28, 2003
- Denki Kagaku Kogyo Kabushiki Kaisha
- Masamichi Hashimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hyaluronic acid gel, process for the preparation thereof and medica...
- Patent number 6,635,267
- Issue date Oct 21, 2003
- Denki Kagaku Kogyo Kabushiki Kaisha
- Teruzou Miyoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
ADHESION INHIBITING MATERIAL FOR VERTEBRAL/SPINAL OPERATION
- Publication number 20090226503
- Publication date Sep 10, 2009
- DENKI KAGAKU KOGYO KABUSHIKI KAISHA
- Hirotaka Haro
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SEPARATE TYPE MEDICAL MATERIAL
- Publication number 20080132585
- Publication date Jun 5, 2008
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yoshiaki Miyata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Adhesion inhibiting material for vertebral/spinal operation
- Publication number 20070020314
- Publication date Jan 25, 2007
- Hirotaka Haro
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Separate type medical material
- Publication number 20060135469
- Publication date Jun 22, 2006
- DENKI KAGAKU KOGYO KABUSHIKI KAISHA
- Yoshiaki Miyata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...