Keisuke Torii

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wet friction material and manufacturing method therefor
- Patent number 6,780,283
- Issue date Aug 24, 2004
- NSK-Warner Kabushiki Kaisha
- Shigeki Umezawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wet friction material and manufacturing method therefor
- Patent number 6,544,632
- Issue date Apr 8, 2003
- NSK-Warner Kabushiki Kaisha
- Shigeki Umezawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Wet friction material and manufacturing method therefor
- Publication number 20030118830
- Publication date Jun 26, 2003
- NSK-WARNER KABUSHIKI KAISHI
- Shigeki Umezawa
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
WET FRICTION MATERIAL AND MANUFACTURING METHOD THEREFOR
- Publication number 20020045393
- Publication date Apr 18, 2002
- SHIGEKI UMEZAWA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...