Eiichi MORIOKA

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Minato-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tunnel boring machine
- Patent number 10,808,532
- Issue date Oct 20, 2020
- Komatsu Ltd.
- Kazunari Kawai
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TUNNEL EXCAVATION DEVICE
- Publication number 20240200448
- Publication date Jun 20, 2024
- Komatsu Ltd.
- Naoki SEKIYAMA
- E21 - EARTH DRILLING MINING
Information Patent Application
TUNNEL EXCAVATION DEVICE
- Publication number 20240200450
- Publication date Jun 20, 2024
- Komatsu Ltd.
- Naoki SEKIYAMA
- E21 - EARTH DRILLING MINING
Information Patent Application
MEASUREMENT SYSTEM AND MEASUREMENT METHOD
- Publication number 20220341322
- Publication date Oct 27, 2022
- Komatsu Ltd.
- Yuichi Kodama
- E21 - EARTH DRILLING MINING
Information Patent Application
TUNNEL BORING MACHINE, MEASUREMENT METHOD, AND MEASUREMENT SYSTEM
- Publication number 20220220849
- Publication date Jul 14, 2022
- Komatsu Ltd.
- Eiichi Morioka
- E21 - EARTH DRILLING MINING
Information Patent Application
TUNNEL BORING MACHINE
- Publication number 20190112924
- Publication date Apr 18, 2019
- KOMATSU LTD.
- Kazunari KAWAI
- E21 - EARTH DRILLING MINING