Akira KAI

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Nagoya-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Terminal device, and intercom system provided with terminal device
- Patent number 10,757,266
- Issue date Aug 25, 2020
- AIPHONE CO., LTD.
- Seiya Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intercom system
- Patent number 10,652,378
- Issue date May 12, 2020
- AIPHONE CO., LTD.
- Seiya Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Building controller and interphone system
- Patent number 10,554,823
- Issue date Feb 4, 2020
- AIPHONE CO., LTD.
- Akira Kai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intercom system
- Patent number 10,469,669
- Issue date Nov 5, 2019
- AIPHONE CO., LTD.
- Seiya Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple dwelling house interphone system
- Patent number 10,334,115
- Issue date Jun 25, 2019
- Aiphone Co., Ltd.
- Yuuta Shimomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intercom system
- Patent number 10,298,771
- Issue date May 21, 2019
- AIPHONE CO., LTD.
- Seiya Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BUILDING CONTROLLER AND INTERPHONE SYSTEM
- Publication number 20190289133
- Publication date Sep 19, 2019
- AIPHONE CO., LTD.
- Akira KAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTERCOM SYSTEM
- Publication number 20190141194
- Publication date May 9, 2019
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTERCOM SYSTEM
- Publication number 20190132433
- Publication date May 2, 2019
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TERMINAL DEVICE, AND INTERCOM SYSTEM PROVIDED WITH TERMINAL DEVICE
- Publication number 20190124205
- Publication date Apr 25, 2019
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTERCOM SYSTEM
- Publication number 20190116269
- Publication date Apr 18, 2019
- AIPHONE, LTD.
- Seiya YAMAKAWA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MULTIPLE DWELLING HOUSE INTERPHONE SYSTEM
- Publication number 20180295243
- Publication date Oct 11, 2018
- AIPHONE CO., LTD.
- Yuuta SHIMOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE