Shinzo Ishikawa

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for infusibilizing pitch fibers
- Patent number 4,988,492
- Issue date Jan 29, 1991
- Nitto Boseki Co., Ltd.
- Yojiro Hara
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Glass fiber apparatus and method
- Patent number 4,380,462
- Issue date Apr 19, 1983
- Nitto Boseki Co., Ltd.
- Hiroaki Shono
- G08 - SIGNALLING
Information Patent Grant
Bushing for apparatus for spinning glass fibers
- Patent number 4,178,162
- Issue date Dec 11, 1979
- Nitto Boseki Co., Ltd.
- Hiroaki Shono
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Molten glass separating device in glass fiber forming apparatus
- Patent number 4,171,212
- Issue date Oct 16, 1979
- Nitto Boseki Co., Ltd.
- Hiroaki Shono
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Air nozzle assembly for use in apparatus for producing glass fibers
- Patent number 4,159,200
- Issue date Jun 26, 1979
- Nitto Boseki Co., Ltd.
- Hiroaki Shono
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Orifice plate for use in glass-fiber spinning hearth
- Patent number 4,121,918
- Issue date Oct 24, 1978
- Nitto Boseki Co., Ltd.
- Hiroaki Shono
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Orifice plate for use in bushing for spinning glass fibers
- Patent number 4,119,420
- Issue date Oct 10, 1978
- Nitto Boseki Co., Ltd.
- Hiroaki Shono
- C03 - GLASS MINERAL OR SLAG WOOL