Ritsuki SAKIHARA

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sliding-type constant velocity universal joint and method for manuf...
- Patent number 11,073,179
- Issue date Jul 27, 2021
- NTN Corporation
- Tatsuro Sugiyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Tripod constant velocity universal joint and method for manufacturi...
- Patent number 10,655,677
- Issue date May 19, 2020
- NTN Corporation
- Ritsuki Sakihara
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
SLIDING-TYPE CONSTANT VELOCITY UNIVERSAL JOINT AND METHOD FOR MANUF...
- Publication number 20190101168
- Publication date Apr 4, 2019
- NTN Corporation
- Tatsuro SUGIYAMA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TRIPOD CONSTANT VELOCITY UNIVERSAL JOINT AND METHOD FOR MANUFACTURI...
- Publication number 20180335076
- Publication date Nov 22, 2018
- NTN Corporation
- Ritsuki SAKIHARA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TRIPOD TYPE CONSTANT VELOCITY UNIVERSAL JOINT
- Publication number 20180266491
- Publication date Sep 20, 2018
- NTN Corporation
- Tatsuro SUGIYAMA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...