Takayuki Negishi

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Yamagata-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sound generator for mobile entities
- Patent number 11,070,908
- Issue date Jul 20, 2021
- Pioneer Corporation
- Hiroyuki Dohi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker system for mobile object
- Patent number 10,486,614
- Issue date Nov 26, 2019
- Pioneer Corporation
- Takayuki Negishi
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SOUND GENERATOR FOR MOBILE ENTITIES
- Publication number 20200137482
- Publication date Apr 30, 2020
- Pioneer Corporation
- Hiroyuki DOHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER SYSTEM FOR MOBILE OBJECT
- Publication number 20180251079
- Publication date Sep 6, 2018
- Pioneer Corporation
- Takayuki NEGISHI
- B60 - VEHICLES IN GENERAL
Information Patent Application
SPEAKER SYSTEM FOR MOBILE OBJECT
- Publication number 20180244212
- Publication date Aug 30, 2018
- Pioneer Corporation
- Takayuki NEGISHI
- B60 - VEHICLES IN GENERAL
Information Patent Application
Standing wave absorbing device for vehicle
- Publication number 20050155815
- Publication date Jul 21, 2005
- PIONEER CORPORATION
- Katsuhiro Sasaki
- B60 - VEHICLES IN GENERAL
Information Patent Application
SPEAKER AND METHOD OF INSTALLING THE SAME
- Publication number 20050041829
- Publication date Feb 24, 2005
- Pioneer Corporation
- Yasuhisa ABE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of mounting and driving speakers
- Publication number 20050041820
- Publication date Feb 24, 2005
- PIONEER CORPORATION
- Yasuhisa Abe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE