Hiroki NARUMIYA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-strength gear
- Patent number 10,584,783
- Issue date Mar 10, 2020
- Nippon Steel Corporation
- Hiroki Narumiya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ball bearing and methods of production of ball bearing
- Patent number 10,337,559
- Issue date Jul 2, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Takashi Fujita
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH GEAR
- Publication number 20180073618
- Publication date Mar 15, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Hiroki NARUMIYA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BALL BEARING AND METHODS OF PRODUCTION OF BALL BEARING
- Publication number 20180031040
- Publication date Feb 1, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takashi FUJITA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...