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Latest update: 09/06/2023 10:29:26

Mugen Gijyutu LLC

Planning and development of bridge inspection equipment and lifestyle-related equipment

We do planning, research, prototype development, manufacturing, sales and rental of bridge inspection equipment and life-related equipment, along with any incidental or related work.
We also participate in exchanges with different fields as a partner company.

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Business contents
[Business description and strengths]
Trial manufacturing development of construction-related equipment
[Overview and application examples of major products, technologies, goods, and services]
1) Chalkman (manufacture and sales of long chalk holders)
2) Manufacture and sales of retrofit AC power supply kits for hybrid vehicles)
3) 3DCG creation
4) New product design and prototyping support
Track record in R&D
<As an engineer> Patents, designs, trademarks
2001: Antifouling structure on the side of bridges by installing small protrusions. Japanese Patent Application 2002-026445*

2012: Vehicle-mounted remote inspection device. Japanese Patent No. 5002756*

2013: Airplane type visual inspection device. Japanese Patent Application 2013-125043*

2013: Vehicle-mounted remote bridge inspection system. Japanese Patent Application 2013-145886*

2013: Expansion device combined with high-strength fiber-reinforced plastic. Japanese Patent Application 2013-161789*

2015: Bridge inspection system. Japanese Patent Application 2015-227093*

2016: Cable inspection device. Japanese Patent No. 5955101*

2017: Work support tool. Design Registration No. 1587277

2017: Chalkman. Trademark Registration No. 6043382
Papers Published, etc.
2002: Report on the implementation of measures to prevent fouling on the sides of road bridges. Japan Society of Civil Engineers Annual Lecture. Collection of lecture summaries*

2003: Implementation report of a simple visual inspection device for bridges. Japan Society of Civil Engineers Hokkaido Branch*

2004: Development of bridge inspection vehicle for preventive operation and maintenance. Japan Society of Civil Engineers Hokkaido Branch*

2011: Development of an obstacle display system for bridge inspection using a range sensor. Society of Instrument and Control Engineers*

2014: Proposal for efficiency improvement of mechanical construction in bridge inspection. Japan Construction Machinery and Construction Association*

2016: Inspection with the bridge inspection robot system Kyouryu. The Robotics Society of Japan. [Special Feature] Next Generation Social Infrastructure Robot Field Verification Test II*
Commendations / Evaluations
2006: Received the New Technology & New Product Encouragement Award from the Hokkaido Economy Department for the robotic high-performance bridge inspection vehicle. *

2015: Participated in the MLIT “Field Verification Test for Promoting the Development and Introduction of Robots for Next-Generation Social Infrastructure”, and received Trial Introduction Condition Rank I evaluation. *

Note: Items marked with an asterisk indicated work-related inventions made during tenure at a previous job.

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