Akihiro NAGANO

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Gojo-shi, Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Operation device for liquid leakage prediction system
- Patent number D993794
- Issue date Aug 1, 2023
- VALQUA, LTD.
- Akira Ueda
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Operation device for liquid leakage prediction system
- Patent number D968249
- Issue date Nov 1, 2022
- VALQUA, LTD.
- Akira Ueda
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Arrangement structure for seal member
- Patent number 11,221,072
- Issue date Jan 11, 2022
- VALQUA, LTD.
- Katsuhisa Umeda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Split seal ring
- Patent number 10,907,736
- Issue date Feb 2, 2021
- VALQUA, LTD.
- Mitsuru Minami
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
LIQUID PRESSURE APPARATUS MONITORING SYSTEM
- Publication number 20240280119
- Publication date Aug 22, 2024
- VALQUA, LTD.
- Akira UEDA
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
ARRANGEMENT STRUCTURE FOR SEAL MEMBER
- Publication number 20200072354
- Publication date Mar 5, 2020
- VALQUA, LTD.
- Katsuhisa UMEDA
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SPLIT SEAL RING
- Publication number 20190203841
- Publication date Jul 4, 2019
- NIPPON VALQUA INDUSTRIES, LTD.
- Mitsuru MINAMI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...