Kenzo Watabe

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Fukushima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making glass yarn with controlled tension
- Patent number 6,035,667
- Issue date Mar 14, 2000
- Nitto Glass Fiber Mfg. Co., Ltd.
- Kenzo Watabe
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Low-permittivity glass fibers
- Patent number 5,958,808
- Issue date Sep 28, 1999
- Nitto Boseki Co., Ltd.
- Masahiro Mori
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Low abrasion resistance fiber cake and method of manufacturing the...
- Patent number 5,603,464
- Issue date Feb 18, 1997
- Nitto Glass Fiber Mfg. Co., Ltd.
- Kenzo Watabe
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method of manufacturing glass yarns
- Patent number 4,830,647
- Issue date May 16, 1989
- Nitto Glass Fiber Mfg. Co., Ltd.
- Kenzo Watabe
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL