Naoki HAGIWARA

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 12,025,227
- Issue date Jul 2, 2024
- NOK Corporation
- Naoki Hagiwara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing device and sealing structure
- Patent number 11,988,285
- Issue date May 21, 2024
- NOK Corporation
- Naoki Hagiwara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gasket
- Patent number 11,391,373
- Issue date Jul 19, 2022
- NOK Corporation
- Naoki Hagiwara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing structure
- Patent number 11,313,469
- Issue date Apr 26, 2022
- NOK Corporation
- Naoki Hagiwara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gasket
- Patent number 10,612,660
- Issue date Apr 7, 2020
- NOK Corporation
- Tokunori Yanagi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
GASKET MOUNTING STRUCTURE
- Publication number 20250067341
- Publication date Feb 27, 2025
- NOK Corporation
- Naoki HAGIWARA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SEALING DEVICE AND SEALING STRUCTURE
- Publication number 20210404556
- Publication date Dec 30, 2021
- NOK Corporation
- Naoki HAGIWARA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
GASKET
- Publication number 20210396316
- Publication date Dec 23, 2021
- NOK Corporation
- Naoki HAGIWARA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
GASKET
- Publication number 20210172524
- Publication date Jun 10, 2021
- NOK Corporation
- Naoki HAGIWARA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SEALING STRUCTURE
- Publication number 20200386315
- Publication date Dec 10, 2020
- NOK Corporation
- Naoki HAGIWARA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
GASKET
- Publication number 20190032783
- Publication date Jan 31, 2019
- NOK Corporation
- Tokunori YANAGI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...