Toshiharu Watanabe

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Minokamo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-passing decorative object
- Patent number 5,009,020
- Issue date Apr 23, 1991
- Sakae Riken Kogyo Co., Ltd.
- Toshiharu Watanabe
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method of making a decorative object having a notch-cut back side
- Patent number 4,985,194
- Issue date Jan 15, 1991
- Sakae Riken Kogyo Co., Ltd.
- Toshiharu Watanabe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL