Takao Shibuya

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Chitose, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wet type paper friction material with combined improved friction ch...
- Patent number 6,121,168
- Issue date Sep 19, 2000
- Dynax Corporation
- Maki Irifune
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Mating plate in friction engagement device
- Patent number 5,109,966
- Issue date May 5, 1992
- Dynax Corporation
- Kazuhito Mukai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...