Akira Tsutsui

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic drive device for excavation work machines
- Patent number 11,293,163
- Issue date Apr 5, 2022
- Kobe Steel, Ltd.
- Toshihiro Nogi
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Slewing stop control apparatus and method for slewing type working...
- Patent number 8,511,490
- Issue date Aug 20, 2013
- Kobe Steel, Ltd.
- Hiroaki Kawai
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Braking control apparatus for slewing type working machine
- Patent number 8,505,292
- Issue date Aug 13, 2013
- Kobe Steel, Ltd.
- Akira Tsutsui
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Rotation control device and working machine therewith
- Patent number 8,190,334
- Issue date May 29, 2012
- Kobelco Construction Machinery Co., Ltd.
- Masayuki Kagoshima
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
HYDRAULIC DRIVE DEVICE FOR EXCAVATION WORK MACHINES
- Publication number 20210301492
- Publication date Sep 30, 2021
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Toshihiro NOGI
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
BRAKING CONTROL APPARATUS FOR SLEWING TYPE WORKING MACHINE
- Publication number 20100263364
- Publication date Oct 21, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Akira Tsutsui
- B66 - HOISTING LIFTING HAULING
Information Patent Application
SLEWING STOP CONTROL APPARATUS AND METHOD FOR SLEWING TYPE WORKING...
- Publication number 20100264106
- Publication date Oct 21, 2010
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.)
- Hiroaki KAWAI
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ROTATION CONTROL DEVICE AND WORKING MACHINE THEREWITH
- Publication number 20080201045
- Publication date Aug 21, 2008
- KOBELCO CONSTRUCTION MACHINERY CO., LTD.
- Masayuki KAGOSHIMA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING