Katsuhiko Wakabayashi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Anti-loosening adjustment bolt assembly
- Patent number 11,578,750
- Issue date Feb 14, 2023
- Hardlock Industry Co., Ltd.
- Katsuhiko Wakabayashi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Anti-loosening nut assembly
- Patent number 6,609,867
- Issue date Aug 26, 2003
- Hard Lock Industry Co., Ltd.
- Katsuhiko Wakabayashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
MEMBER HAVING SCREW THREAD MADE FROM CARBON FIBER-REINFORCED COMPOS...
- Publication number 20200378430
- Publication date Dec 3, 2020
- HARDLOCK INDUSTRY CO., LTD.
- Katsuhiko Wakabayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ANTI-LOOSENING ADJUSTMENT BOLT ASSEMBLY
- Publication number 20200166070
- Publication date May 28, 2020
- HARDLOCK INDUSTRY CO., LTD.
- Katsuhiko Wakabayashi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Anti-Loosening Bolt Assembly
- Publication number 20070269286
- Publication date Nov 22, 2007
- Katsuhiko Wakabayashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Anti-loosening nut assembly
- Publication number 20020044849
- Publication date Apr 18, 2002
- Katsuhiko Wakabayashi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...