Nobuhiko HIRUMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
System identification device, system identification method, system...
- Patent number 10,863,272
- Issue date Dec 8, 2020
- NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY
- Kiyoshi Nishiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid
- Patent number 10,609,495
- Issue date Mar 31, 2020
- Rion Co., Ltd.
- Nobuhiko Hiruma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feedback canceller and hearing aid
- Patent number 10,582,315
- Issue date Mar 3, 2020
- Rion Co., Ltd.
- Nobuhiko Hiruma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM IDENTIFICATION DEVICE, SYSTEM IDENTIFICATION METHOD, SYSTEM...
- Publication number 20190364361
- Publication date Nov 28, 2019
- NATIONAL UNIVERSITY CORPORATION, IWATE UNIVERSITY
- Kiyoshi NISHIYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HEARING AID
- Publication number 20190222945
- Publication date Jul 18, 2019
- Rion Co., Ltd.
- Nobuhiko HIRUMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FEEDBACK CANCELLER AND HEARING AID
- Publication number 20190028818
- Publication date Jan 24, 2019
- Rion Co., Ltd.
- Nobuhiko HIRUMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE