Takashi Sekiya

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger and air-conditioning apparatus including the same
- Patent number 12,044,480
- Issue date Jul 23, 2024
- Mitsubishi Electric Corporation
- Yoji Onaka
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Four-way valve
- Patent number 8,347,917
- Issue date Jan 8, 2013
- Mitsubishi Electric Corporation
- Susumu Yoshimura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Four-way valve
- Patent number 7,896,029
- Issue date Mar 1, 2011
- Mitsubishi Electric Corporation
- Susumu Yoshimura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Magnetic brake system and elevator trouble detection system
- Patent number 6,742,634
- Issue date Jun 1, 2004
- Hitachi Building Systems Co., Ltd.
- Yasushi Watanabe
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HEAT EXCHANGER AND AIR-CONDITIONING APPARATUS INCLUDING THE SAME
- Publication number 20220316804
- Publication date Oct 6, 2022
- Mitsubishi Electric Corporation
- Yoji ONAKA
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
FOUR-WAY VALVE
- Publication number 20110120579
- Publication date May 26, 2011
- Mitsubishi Electric Corporation
- Susumu Yoshimura
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Four-Way Valve
- Publication number 20080142099
- Publication date Jun 19, 2008
- Mitsubishi Electric Corporation
- Susumu Yoshimura
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Magnetic brake system and elevator trouble detection system
- Publication number 20030111306
- Publication date Jun 19, 2003
- Hitachi Building Systems Co., Ltd.
- Yasushi Watanabe
- B60 - VEHICLES IN GENERAL