Yoko Kokugan

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Performance diagnosis device and performance diagnosis method for a...
- Patent number 11,561,019
- Issue date Jan 24, 2023
- Hitachi, Ltd.
- Yoko Kokugan
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Performance diagnosis device and performance diagnosis method for a...
- Patent number 10,989,428
- Issue date Apr 27, 2021
- Hitachi, Ltd.
- Yoko Kokugan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Solid-liquid separation device
- Patent number 10,646,794
- Issue date May 12, 2020
- Hitachi, Ltd.
- Tadashi Sano
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Solid-liquid separation system
- Patent number 10,197,331
- Issue date Feb 5, 2019
- Hitachi, Ltd.
- Yoko Kokugan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Refrigerant Quantity Diagnosis Device, Refrigerant System, and Refr...
- Publication number 20230304713
- Publication date Sep 28, 2023
- HITACHI GLOBAL LIFE SOLUTIONS, INC.
- Yoko KOKUGAN
- B60 - VEHICLES IN GENERAL
Information Patent Application
PERFORMANCE DIAGNOSIS DEVICE AND PERFORMANCE DIAGNOSIS METHOD FOR A...
- Publication number 20210080138
- Publication date Mar 18, 2021
- Hitachi, Ltd
- Yoko KOKUGAN
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Performance Diagnosis Device and Performance Diagnosis Method for A...
- Publication number 20190316798
- Publication date Oct 17, 2019
- Hitachi, Ltd
- Yoko KOKUGAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Solid-Liquid Separation System
- Publication number 20180003438
- Publication date Jan 4, 2018
- Hitachi, Ltd
- Yoko KOKUGAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SOLID-LIQUID SEPARATION DEVICE
- Publication number 20180001226
- Publication date Jan 4, 2018
- Hitachi, Ltd
- Tadashi SANO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Air-Conditioning/Hot-Water Supply System
- Publication number 20150075199
- Publication date Mar 19, 2015
- Hitachi, Ltd
- Masanao Kotani
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...