Ryoya OKUMA

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Door handle device for vehicle
- Patent number 11,421,450
- Issue date Aug 23, 2022
- Alpha Corporation
- Ryoya Okuma
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Handle device and manufacturing method of handle device
- Patent number 10,508,477
- Issue date Dec 17, 2019
- Alpha Corporation
- Ryoya Okuma
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
DOOR HANDLE DEVICE FOR VEHICLE
- Publication number 20200040617
- Publication date Feb 6, 2020
- ALPHA CORPORATION
- Ryoya OKUMA
- B60 - VEHICLES IN GENERAL
Information Patent Application
HANDLE DEVICE AND MANUFACTURING METHOD OF HANDLE DEVICE
- Publication number 20190119957
- Publication date Apr 25, 2019
- Alpha Corporation
- Ryoya OKUMA
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
INSIDE HANDLE DEVICE FOR VEHICLE
- Publication number 20180087299
- Publication date Mar 29, 2018
- Alpha Corporation
- Ryoya OKUMA
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES