B.dot Medical Overview

  • Year Founded
  • 2017

Year Founded

  • Status
  • Private

  • Employees
  • 60

Employees

  • Latest Deal Type
  • Accelerator/​Inc

  • Investors
  • 12

B.dot Medical General Information

Description

Developer of a medical device system designed to make proton cancer treatment more accessible by reducing the size and cost of conventional systems. The company's device utilizes radiotherapy which pinpoints and irradiates tumors deep inside the body, reducing damage to normal surrounding tissues and organs to advanced cancer care, enabling doctors and clinicians to provide proton cancer therapy for treatment at a lower cost.

Contact Information

Website
bdotmed.co.jp
Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Corporate Office
  • 5-10-10 Harue-cho
  • Edogawa-ku
  • Tokyo, 134-0003
  • Japan
Primary Industry
Other Devices and Supplies
Other Industries
Therapeutic Devices
Vertical(s)
HealthTech, Life Sciences, Oncology
Corporate Office
  • 5-10-10 Harue-cho
  • Edogawa-ku
  • Tokyo, 134-0003
  • Japan

B.dot Medical Timeline

2023202420252026
Financing RoundCaptured Employee CountEstimated Employee Growth

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B.dot Medical Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
10. Accelerator/Incubator Completed Generating Revenue
9. Later Stage VC (Series B2) 02-Oct-2025 Completed Generating Revenue
8. Accelerator/Incubator 03-Sep-2025 Completed Generating Revenue
7. Accelerator/Incubator 29-May-2025 Completed Generating Revenue
6. Accelerator/Incubator 08-May-2025 Completed Generating Revenue
5. Later Stage VC 14-Mar-2023 Completed Generating Revenue
4. Later Stage VC (Series A) 25-Feb-2022 Completed Generating Revenue
3. Early Stage VC (Series A) 29-Jan-2021 Completed Generating Revenue
2. Early Stage VC (Series A) 31-Oct-2020 $2.38M $2.48M Completed Startup
1. Seed Round 09-Jun-2018 $109K $109K Completed Startup
To view B.dot Medical’s complete valuation and funding history, request access »

B.dot Medical Cap Table

Stock # of Shares
Authorized		 Par Value Dividend Rate (%) Original
Issue Price		 Liquidation Liquidation
Pref. Multiple		 Conversion Price % Owned
Class A
To view B.dot Medical’s complete cap table history, request access »

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B.dot Medical Patents

  • 112

    Total Documents Applications and Grants

  • Total Patents Families

  • 69

    Granted

  • 29

    Pending

  • Expiring in next 12 mo

B.dot Medical Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
JP-7925542-B1 Combined treatment system Active 10-Jun-2025
JP-2026178804-A Charged particle beam deflection devices and medical equipment Pending 28-Apr-2025
WO-2026134060-A1 Radiotherapy facility Pending 18-Dec-2024
JP-2026085602-A Superconducting electromagnet apparatus and charged particle beam therapy apparatus Pending 13-Nov-2024
JP-2026085603-A Superconducting electromagnet apparatus and charged particle beam therapy apparatus Pending 13-Nov-2024
To view B.dot Medical’s complete patent history, request access »

B.dot Medical Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

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Majestic Referring Domains

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B.dot Medical Investors (12)

Investor Name Investor Type Holding Investor Since Participating Rounds
MEDISO Accelerator/Incubator
MedTech Innovator Accelerator/Incubator
LINK-J Accelerator/Incubator
Mitsubishi UFJ Capital Venture Capital Minority
Oita Venture Capital Venture Capital Minority
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B.dot Medical FAQs

  • When was B.dot Medical founded?

    B.dot Medical was founded in 2017.

  • Where is B.dot Medical headquartered?

    B.dot Medical is headquartered in Tokyo, Japan.

  • What is the size of B.dot Medical?

    B.dot Medical has 60 total employees.

  • What industry is B.dot Medical in?

    B.dot Medical’s primary industry is Other Devices and Supplies.

  • Is B.dot Medical a private or public company?

    B.dot Medical is a Private company.

  • What is B.dot Medical’s current revenue?

    The current revenue for B.dot Medical is .

  • How much funding has B.dot Medical raised over time?

    B.dot Medical has raised $23.5M.

  • Who are B.dot Medical’s investors?

    MEDISO, MedTech Innovator, LINK-J, Mitsubishi UFJ Capital, and Oita Venture Capital are 5 of 12 investors who have invested in B.dot Medical.

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