Seiya Yamakawa

Person

Nagoya-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Configuration method of Wi-Fi doorbell, doorbell, housing complex c...
- Patent number 11,510,256
- Issue date Nov 22, 2022
- AIPHONE CO., LTD.
- Seiya Yamakawa
- G08 - SIGNALLING
Information Patent Grant
Doorbell system, location notification system, and intercom system
- Patent number 11,100,775
- Issue date Aug 24, 2021
- AIPHONE CO., LTD.
- Seiya Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Intercom system and data transfer method in said system
- Patent number 10,841,430
- Issue date Nov 17, 2020
- AIPHONE CO., LTD
- Seiya Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
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
Interphone system and setting apparatus
- Patent number 10,721,361
- Issue date Jul 21, 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
Intercom system
- Patent number 10,616,420
- Issue date Apr 7, 2020
- AIPHONE CO., LTD.
- Seiya Yamakawa
- 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
Collective housing/building entrance device and entryphone system h...
- Patent number 10,334,114
- Issue date Jun 25, 2019
- AIPHONE CO., LTD.
- Seiya Yamakawa
- 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
Information Patent Grant
Collective housing/building entrance device and entryphone system h...
- Patent number 10,298,772
- Issue date May 21, 2019
- AIPHONE CO., LTD.
- Seiya Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Collective housing intercom system
- Patent number 7,792,259
- Issue date Sep 7, 2010
- Aiphone Co., Ltd.
- Seiya Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DOORBELL, KEY MANAGEMENT SYSTEM, AND INTERCOM SYSTEM
- Publication number 20210406820
- Publication date Dec 30, 2021
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
DOORBELL SYSTEM, LOCATION NOTIFICATION SYSTEM, AND INTERCOM SYSTEM
- Publication number 20210264755
- Publication date Aug 26, 2021
- AIPHONE CO., LTD.
- Seiya Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONFIGURATION METHOD OF Wi-Fi DOORBELL, DOORBELL, HOUSING COMPLEX C...
- Publication number 20210127435
- Publication date Apr 29, 2021
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- G01 - MEASURING TESTING
Information Patent Application
DOORBELL SYSTEM, LOCATION NOTIFICATION SYSTEM, AND INTERCOM SYSTEM
- Publication number 20210035424
- Publication date Feb 4, 2021
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTERCOM SYSTEM AND DATA TRANSFER METHOD IN SAID SYSTEM
- Publication number 20190281161
- Publication date Sep 12, 2019
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTERCOM SYSTEM
- Publication number 20190281164
- Publication date Sep 12, 2019
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTERPHONE SYSTEM AND SETTING APPARATUS
- Publication number 20190253562
- Publication date Aug 15, 2019
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- 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
COLLECTIVE HOUSING/BUILDING ENTRANCE DEVICE AND ENTRYPHONE SYSTEM H...
- Publication number 20180295242
- Publication date Oct 11, 2018
- AIPHONE CO., LTD.
- Seiya YAMAKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Collective housing intercom system
- Publication number 20070189483
- Publication date Aug 16, 2007
- Aiphone Co., Ltd.
- Seiya Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Seiya Yamakawa

Person

Patents Grantslast 30 patents

Configuration method of Wi-Fi doorbell, doorbell, housing complex c...

Doorbell system, location notification system, and intercom system

Intercom system and data transfer method in said system

Terminal device, and intercom system provided with terminal device

Interphone system and setting apparatus

Intercom system

Intercom system

Intercom system

Collective housing/building entrance device and entryphone system h...

Intercom system

Collective housing/building entrance device and entryphone system h...

Collective housing intercom system

Patents Applicationslast 30 patents

DOORBELL, KEY MANAGEMENT SYSTEM, AND INTERCOM SYSTEM

DOORBELL SYSTEM, LOCATION NOTIFICATION SYSTEM, AND INTERCOM SYSTEM

CONFIGURATION METHOD OF Wi-Fi DOORBELL, DOORBELL, HOUSING COMPLEX C...

DOORBELL SYSTEM, LOCATION NOTIFICATION SYSTEM, AND INTERCOM SYSTEM

INTERCOM SYSTEM AND DATA TRANSFER METHOD IN SAID SYSTEM

INTERCOM SYSTEM

INTERPHONE SYSTEM AND SETTING APPARATUS

INTERCOM SYSTEM

INTERCOM SYSTEM

TERMINAL DEVICE, AND INTERCOM SYSTEM PROVIDED WITH TERMINAL DEVICE

INTERCOM SYSTEM

COLLECTIVE HOUSING/BUILDING ENTRANCE DEVICE AND ENTRYPHONE SYSTEM H...

Collective housing intercom system