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Marubun Corporation



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This summary is composed by our algorithm based on the analysis of the deals. If you think that some of this information is not accurate, please let us know about it and provide any supporting evidences if possible. Such cases will be analyzed by our ML-algorithm and implemented in our database, which will improve this summary.

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Total investments 5
Average round size
The average size of a deal this fund participated in
Portfolio companies 3
Lead investments 0
Follow on index
How often the fund supports its portfolio startups at next rounds
Key employees Soon

Areas of investment

  • Advanced Materials
  • Nanotechnology
  • Energy Storage
  • Hardware
  • Energy

Related Funds

Funds investing in previous rounds
These funds often invest in the rounds preceeding the rounds of Marubun Corporation:
Typical Co-investors
Marubun Corporation is more likely to invest in rounds together with the following funds:
Funds investing in following rounds
These funds have a tendency to invest in the following rounds after Marubun Corporation:
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Notable deals

CompanyIndustryRound SizeDateInvestorsLocation

eYs3D Microelectronics

3D Technology
Virtual Reality
$7M25 May 2021 New Taipei, Taiwan
Eys3D raises $7M for AI edge sensor technology

– Eys3D Microelectronics, a company producing chips and sensors for autonomous operations including security, touchless control, autonomous vehicles, and smart retail, announced that it’s raised $7 million in a series A round led by strategic partners Arm IoT Capital, WI Harper Group, and Marubun Corporation.
– The company says that the funding will allow it to grow its product development and research efforts, including into 3D depth-sensing cameras and vision sensor integration solutions that enable new capabilities in object recognition, distance measurement, and more.


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Total investments 5
Average round size 6M
Peak activity year 2018
Lead investments 0
Follow on index 0.40
Group Appearance index 1.00

Latest deals

CompanyIndustryRound SizeDateInvestorsLocation

eYs3D Microelectronics

3D Technology
Virtual Reality
$7M25 May 2021 New Taipei, Taiwan
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