Hiroyuki KUROKAWA

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Shovel
- Patent number 11,879,589
- Issue date Jan 23, 2024
- Sumitomo(S.H.I) Construction Machinery Co., Ltd.
- Ryuji Shiratani
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Shovel
- Patent number 11,761,168
- Issue date Sep 19, 2023
- SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
- Ryuji Shiratani
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Work machine with lifting magnet
- Patent number 10,604,382
- Issue date Mar 31, 2020
- Sumitomo(S.H.I) Construction Machinery Co., Ltd.
- Takaaki Morimoto
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
SHOVEL
- Publication number 20210189689
- Publication date Jun 24, 2021
- SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
- Ryuji SHIRATANI
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
SHOVEL
- Publication number 20210025134
- Publication date Jan 28, 2021
- SUMITOMO CONSTRUCTION MACHINERY CO., LTD.
- Ryuji SHIRATANI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SHOVEL
- Publication number 20200018440
- Publication date Jan 16, 2020
- SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
- Ryuji SHIRATANI
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
WORK MACHINE WITH LIFTING MAGNET
- Publication number 20170240387
- Publication date Aug 24, 2017
- SUMITOMO(S.H.I.) CONSTRUCTION MACHINERY CO., LTD.
- Takaaki MORIMOTO
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING