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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Vacuum pump and linked-type thread groove spacer
Patent number
11,898,565
Issue date
Feb 13, 2024
Edwards Japan Limited
Kengo Saegusa
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vacuum pump, and control device of vacuum pump
Patent number
11,821,440
Issue date
Nov 21, 2023
Edwards Japan Limited
Yanbin Sun
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Vacuum pump apparatus, and pump main body unit, control unit, and s...
Patent number
11,408,429
Issue date
Aug 9, 2022
Edwards Japan Limited
Yoshiyuki Sakaguchi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vacuum pump and control apparatus associated with vacuum pump
Patent number
11,333,153
Issue date
May 17, 2022
Edwards Japan Limited
Hideki Omori
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vacuum pump, and connector and control device applied to vacuum pump
Patent number
11,081,845
Issue date
Aug 3, 2021
Edwards Japan Limited
Yanbin Sun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Connected thread groove spacer and vacuum pump
Patent number
10,823,200
Issue date
Nov 3, 2020
Edwards Japan Limited
Yoshiyuki Sakaguchi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
VACUUM PUMP AND VACUUM PUMP ROTOR BLADE
Publication number
20230250826
Publication date
Aug 10, 2023
Edwards Japan Limited
Takashi Kabasawa
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VACUUM PUMP AND LINKED-TYPE THREAD GROOVE SPACER
Publication number
20220228594
Publication date
Jul 21, 2022
Edwards Japan Limited
Kengo Saegusa
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VACUUM PUMP AND CONTROL APPARATUS OF VACUUM PUMP
Publication number
20220170470
Publication date
Jun 2, 2022
Edwards Japan Limited
Kengo Saegusa
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VACUUM PUMP, AND CONTROL DEVICE OF VACUUM PUMP
Publication number
20210025407
Publication date
Jan 28, 2021
Edwards Japan Limited
Yanbin Sun
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
VACUUM PUMP APPARATUS, AND PUMP MAIN BODY UNIT, CONTROL UNIT, AND S...
Publication number
20200124043
Publication date
Apr 23, 2020
Edwards Japan Limited
Yoshiyuki Sakaguchi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VACUUM PUMP, AND CONNECTOR AND CONTROL DEVICE APPLIED TO VACUUM PUMP
Publication number
20200099179
Publication date
Mar 26, 2020
Edwards Japan Limited
Yanbin Sun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
VACUUM PUMP AND CONTROL APPARATUS ASSOCIATED WITH VACUUM PUMP
Publication number
20190309760
Publication date
Oct 10, 2019
EDWARDS JAPAN LIMITED
Hideki Omori
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VACUUM PUMP, AND WATERPROOF STRUCTURE AND CONTROL APPARATUS APPLIED...
Publication number
20190242387
Publication date
Aug 8, 2019
EDWARDS JAPAN LIMITED
Kengo Saegusa
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
VACUUM PUMP, AND FLEXIBLE COVER AND ROTOR USED IN VACUUM PUMP
Publication number
20190032669
Publication date
Jan 31, 2019
Edwards Japan Limited
Shinji Kawanishi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CONNECTED THREAD GROOVE SPACER AND VACUUM PUMP
Publication number
20180355888
Publication date
Dec 13, 2018
Edwards Japan Limited
Yoshiyuki Sakaguchi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...