Riki Kitagawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Water treatment apparatus management system and household water tre...
- Patent number 12,077,454
- Issue date Sep 3, 2024
- WOTA Corp.
- Riki Kitagawa
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Information processing device for optimizing filters that purify wa...
- Patent number 11,829,113
- Issue date Nov 28, 2023
- WOTA Corp.
- Riki Kitagawa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Water treatment system
- Patent number 11,713,561
- Issue date Aug 1, 2023
- WOTA Corp.
- Riki Kitagawa
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Water treatment apparatus management system and household water tre...
- Patent number 11,661,352
- Issue date May 30, 2023
- WOTA Corp.
- Riki Kitagawa
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Charging device of circulating water utilization system and circula...
- Patent number 10,997,673
- Issue date May 4, 2021
- WOTA GROUP LLC
- Hiroyuki Yagita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for remotely monitoring a group of circulating-wa...
- Patent number 10,315,930
- Issue date Jun 11, 2019
- Mitsubishi Hitachi Power Systems, Ltd.
- Hiroyuki Yagita
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Safety device for circulating water utilization system and circulat...
- Patent number 9,783,963
- Issue date Oct 10, 2017
- Mitsubishi Hitachi Power Systems, Ltd.
- Hiroyuki Yagita
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Circulating water utilization system
- Patent number 9,611,161
- Issue date Apr 4, 2017
- Mitsubishi Hitachi Power Systems, Ltd.
- Hiroyuki Yagita
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING DEVICE FOR OPTIMIZING FILTERS THAT PURIFY WA...
- Publication number 20240069513
- Publication date Feb 29, 2024
- WOTA Corp.
- Riki KITAGAWA
- G05 - CONTROLLING REGULATING
Information Patent Application
WATER TREATMENT APPARATUS MANAGEMENT SYSTEM AND HOUSEHOLD WATER TRE...
- Publication number 20230303409
- Publication date Sep 28, 2023
- WOTA Corp.
- Riki KITAGAWA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
INFORMATION PROCESSING DEVICE
- Publication number 20210063981
- Publication date Mar 4, 2021
- WOTA Corp.
- Riki KITAGAWA
- G05 - CONTROLLING REGULATING
Information Patent Application
WATER TREATMENT SYSTEM
- Publication number 20200256041
- Publication date Aug 13, 2020
- WOTA Corp.
- Riki KITAGAWA
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
WATER TREATMENT APPARATUS MANAGEMENT SYSTEM AND HOUSEHOLD WATER TRE...
- Publication number 20190031530
- Publication date Jan 31, 2019
- WOTA Corp.
- Riki KITAGAWA
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
CIRCULATING WATER UTILIZATION SYSTEM
- Publication number 20160368802
- Publication date Dec 22, 2016
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Hiroyuki Yagita
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
METHOD AND SYSTEM FOR REMOTELY MONITORING A GROUP OF CIRCULATING-WA...
- Publication number 20160289087
- Publication date Oct 6, 2016
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Hiroyuki Yagita
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
CHARGING DEVICE OF CIRCULATING WATER UTILIZATION SYSTEM AND CIRCULA...
- Publication number 20160292795
- Publication date Oct 6, 2016
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Hiroyuki Yagita
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
SAFETY DEVICE FOR CIRCULATING WATER UTILIZATION SYSTEM AND CIRCULAT...
- Publication number 20160281338
- Publication date Sep 29, 2016
- MITSUBISHI HITACHI POWER SYSTEMS, LTD.
- Hiroyuki Yagita
- E03 - WATER SUPPLY SEWERAGE

Riki Kitagawa

Person

Patents Grantslast 30 patents

Water treatment apparatus management system and household water tre...

Information processing device for optimizing filters that purify wa...

Water treatment system

Water treatment apparatus management system and household water tre...

Charging device of circulating water utilization system and circula...

Method and system for remotely monitoring a group of circulating-wa...

Safety device for circulating water utilization system and circulat...

Circulating water utilization system

Patents Applicationslast 30 patents

INFORMATION PROCESSING DEVICE FOR OPTIMIZING FILTERS THAT PURIFY WA...

WATER TREATMENT APPARATUS MANAGEMENT SYSTEM AND HOUSEHOLD WATER TRE...

INFORMATION PROCESSING DEVICE

WATER TREATMENT SYSTEM

WATER TREATMENT APPARATUS MANAGEMENT SYSTEM AND HOUSEHOLD WATER TRE...

CIRCULATING WATER UTILIZATION SYSTEM

METHOD AND SYSTEM FOR REMOTELY MONITORING A GROUP OF CIRCULATING-WA...

CHARGING DEVICE OF CIRCULATING WATER UTILIZATION SYSTEM AND CIRCULA...

SAFETY DEVICE FOR CIRCULATING WATER UTILIZATION SYSTEM AND CIRCULAT...