Katsuya HIRANO

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
In-vehicle acoustic system and vehicle provided with this in-vehicl...
- Patent number 11,917,382
- Issue date Feb 27, 2024
- Yamaha Corporation
- Katsuya Hirano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Conversation assist apparatus and conversation assist method
- Patent number 10,932,042
- Issue date Feb 23, 2021
- Yamaha Corporation
- Katsuya Hirano
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Conversation assist apparatus and conversation assist method
- Patent number 10,812,901
- Issue date Oct 20, 2020
- Yamaha Corporation
- Katsuya Hirano
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Current sensor and current measuring device
- Patent number 9,933,462
- Issue date Apr 3, 2018
- Yamaha Corporation
- Yasuhiko Sekimoto
- G01 - MEASURING TESTING
Information Patent Grant
Current detection circuit and magnetic detection device provided wi...
- Patent number 9,841,440
- Issue date Dec 12, 2017
- Yamaha Corporation
- Katsuya Hirano
- G01 - MEASURING TESTING
Information Patent Grant
Class-D amplifier circuit
- Patent number 8,502,602
- Issue date Aug 6, 2013
- Yamaha Corporation
- Katsuya Hirano
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
IN-VEHICLE ACOUSTIC SYSTEM AND VEHICLE PROVIDED WITH THIS IN-VEHICL...
- Publication number 20210392436
- Publication date Dec 16, 2021
- Yamaha Corporation
- Katsuya HIRANO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CONVERSATION ASSIST APPARATUS AND CONVERSATION ASSIST METHOD
- Publication number 20200304909
- Publication date Sep 24, 2020
- Yamaha Corporation
- Katsuya HIRANO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
CONVERSATION ASSIST APPARATUS AND CONVERSATION ASSIST METHOD
- Publication number 20190230437
- Publication date Jul 25, 2019
- Yamaha Corporation
- Katsuya HIRANO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Current Detection Circuit and Magnetic Detection Device Provided wi...
- Publication number 20160161529
- Publication date Jun 9, 2016
- Yamaha Corporation
- Katsuya Hirano
- G01 - MEASURING TESTING
Information Patent Application
CURRENT SENSOR AND CURRENT MEASURING DEVICE
- Publication number 20150276817
- Publication date Oct 1, 2015
- Yamaha Corporation
- Yasuhiko Sekimoto
- G01 - MEASURING TESTING
Information Patent Application
Class-D Amplifier Circuit
- Publication number 20120154044
- Publication date Jun 21, 2012
- Yamaha Corporation
- Katsuya HIRANO
- H03 - BASIC ELECTRONIC CIRCUITRY