Keiji Oka

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
X-ray detectable adhesive bandage and method of manufacturing X-ray...
- Patent number 9,408,752
- Issue date Aug 9, 2016
- PIAC Co., Ltd.
- Keiji Oka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medical pressure-sensitive adhesive sheet and method for producing...
- Patent number 9,308,291
- Issue date Apr 12, 2016
- PIAC Co., Ltd.
- Keiji Oka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Laminated body with releasing member and method for manufacturing t...
- Patent number 7,846,523
- Issue date Dec 7, 2010
- Piac Co., Ltd.
- Keiji Oka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
MEDICAL PRESSURE-SENSITIVE ADHESIVE SHEET AND METHOD FOR PRODUCING...
- Publication number 20150093557
- Publication date Apr 2, 2015
- PIAC CO., LTD.
- Keiji Oka
- B32 - LAYERED PRODUCTS
Information Patent Application
X-RAY DETECTABLE ADHESIVE BANDAGE AND METHOD OF MANUFACTURING X-RAY...
- Publication number 20140012175
- Publication date Jan 9, 2014
- PIAC CO., LTD.
- Keiji Oka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Laminated Body with Releasing Member and Method for Manufacturing t...
- Publication number 20080131642
- Publication date Jun 5, 2008
- PIAC CO., LTD.
- Keiji Oka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE