Kazuhisa Fujita

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recovery method for discharged cooling water
- Patent number 11,130,694
- Issue date Sep 28, 2021
- Kurita Water Industries Ltd.
- Kunihiro Hayakawa
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method for inhibiting corrosion in water systems
- Patent number 5,820,763
- Issue date Oct 13, 1998
- Kurita Water Industries, Ltd.
- Kazuhisa Fujita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
METAL CORROSION PROTECTION TREATMENT METHOD FOR WATER SYSTEM
- Publication number 20240401207
- Publication date Dec 5, 2024
- KURITA WATER INDUSTRIES LTD.
- Takanori YOSHINO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CIRCULATING COOLING WATER TREATMENT METHOD AND COOLING PERFORMANCE...
- Publication number 20230375291
- Publication date Nov 23, 2023
- KURITA WATER INDUSTRIES LTD.
- Takanori YOSHINO
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
RECOVERY METHOD AND RECOVERY DEVICE FOR DISCHARGED COOLING WATER
- Publication number 20180194659
- Publication date Jul 12, 2018
- KURITA WATER INDUSTRIES LTD.
- Kunihiro HAYAKAWA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Tool for retaining freshness
- Publication number 20070125236
- Publication date Jun 7, 2007
- Fretek Co., Ltd.
- Ushio Uranaka
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES