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Seiji Iijima
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Bearing device and construction machine
Patent number
11,639,738
Issue date
May 2, 2023
Caterpillar SARL
Seiji Iijima
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Bearing device and construction machine
Patent number
11,346,394
Issue date
May 31, 2022
Caterpillar SARL
Seiji Iijima
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Additional protective cover for a crawler traveling body and method...
Patent number
10,343,733
Issue date
Jul 9, 2019
Caterpillar SARL
Seiji Iijima
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Incompressible fluid injection apparatus
Patent number
10,094,478
Issue date
Oct 9, 2018
Caterpillar SARL and Others
Seiji Iijima
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Patents Applications
last 30 patents
Information
Patent Application
LINK AND TRACK
Publication number
20250091668
Publication date
Mar 20, 2025
CATERPILLAR S.A.R.L.
Seiji IIJIMA
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
LINK DEVICE AND TRACK
Publication number
20250092935
Publication date
Mar 20, 2025
CATERPILLAR S.A.R.L.
Seiji IIJIMA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
IDLER WHEEL WITH TAPERED WEBBING
Publication number
20250074521
Publication date
Mar 6, 2025
Caterpillar Inc.
Brian B. UMBACH
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
IDLER FOR MACHINES
Publication number
20240375732
Publication date
Nov 14, 2024
Caterpillar Inc.
Brian B. UMBACH
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
BEARING DEVICE AND CONSTRUCTION MACHINE
Publication number
20210293276
Publication date
Sep 23, 2021
Caterpillar SARL
Seiji IIJIMA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
BEARING DEVICE AND CONSTRUCTION MACHINE
Publication number
20210293271
Publication date
Sep 23, 2021
CATERPILLAR S.A.R.L.
Seiji IIJIMA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
FINAL DRIVE HOUSING
Publication number
20170350495
Publication date
Dec 7, 2017
CATERPILLAR S.A.R.L.
Seiji Iijima
B60 - VEHICLES IN GENERAL
Information
Patent Application
Additional Protective Cover for Preventing Entry of Foreign Matters...
Publication number
20170247069
Publication date
Aug 31, 2017
CATERPILLAR S.A.R.L.
Seiji Iijima
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
INCOMPRESSIBLE FLUID INJECTION APPARATUS
Publication number
20170219101
Publication date
Aug 3, 2017
CATERPILLAR S.A.R.L.
Seiji Iijima
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS