Yoshiaki Miyajima

Follow

Person

Mito, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lead-containing fluoride glass, optical fiber and process for produ...
- Patent number 5,695,880
- Issue date Dec 9, 1997
- Sumitomo Electric Industries, Ltd.
- Takashi Kogo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Lead-containing fluoride glass, optical fiber and process for produ...
- Patent number 5,432,131
- Issue date Jul 11, 1995
- Sumitomo Electric Industtries, Ltd.
- Takashi Kogo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical functioning glass and apparatus using the same
- Patent number 5,377,294
- Issue date Dec 27, 1994
- Sumitomo Electric Industries, Ltd.
- Masahi Onishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical functioning glass and method of manufacturing same, optical...
- Patent number 5,337,401
- Issue date Aug 9, 1994
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical functioning glass and fiber amplifier
- Patent number 5,253,322
- Issue date Oct 12, 1993
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical functioning glass and apparatus using the same
- Patent number 5,244,846
- Issue date Sep 14, 1993
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- C03 - GLASS MINERAL OR SLAG WOOL