Kiyoyuki Okunaga

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Hikone-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass tube for metal sealing and glass for metal sealing
- Patent number 11,377,385
- Issue date Jul 5, 2022
- Nippon Electric Glass Co., Ltd.
- Tatsuya Goto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass tube for metal sealing and glass for metal sealing
- Patent number 10,974,988
- Issue date Apr 13, 2021
- Nippon Electric Glass Co., Ltd.
- Tatsuya Goto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Barrier ribs material for a plasma display panel
- Patent number 6,737,373
- Issue date May 18, 2004
- Nippon Electric Glass Co., Ltd.
- Kiyoyuki Okunaga
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Biocompatible glass ceramics
- Patent number 5,034,353
- Issue date Jul 23, 1991
- Nippon Electric Glass Co. Ltd.
- Takehiro Shibuya
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
GLASS TUBE FOR METAL SEALING AND GLASS FOR METAL SEALING
- Publication number 20190152837
- Publication date May 23, 2019
- NIPPON ELECTRIC GLASS CO., LTD.
- Tatsuya GOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Barrier ribs material for a plasma display panel
- Publication number 20030073564
- Publication date Apr 17, 2003
- NIPPON ELECTRIC GLASS CO., LTD.
- Kiyoyuki Okunaga
- H01 - BASIC ELECTRIC ELEMENTS