Craif, Inc.
AI-powered microRNA diagnostic platform that detects cancer and other diseases from urine and saliva samples
New patent ·
- Sector
- Medtech
- Headquarters
- TOKYO, M0
- Founded
- 2018
- Latest Form D
- $11.3M, Nov 2021
- Total capital
- $11.3M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $11.3M
- 1 Form D · last Nov 2021
- 60 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 6
- 14 pending · first 2023
- Rank in peer group#12 of 73
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$11.3M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 73 peers
Line = medianMedtech · Platform
- Granted patents#12 · top 16%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
From SEC Form D filings- Mika YuiDirectorNamed in SEC Form D filings
- Ryuichi OnoseExecutive Officer, DirectorNamed in SEC Form D filings
- Yuki IchikawaDirectorNamed in SEC Form D filings
What it has protected
USPTO · 6 granted of 20- New patentBiomolecule Extraction MethodUSPTOUS 12,747,437
- PendingMethod For Separating Target Substance Contained In Target LiquidUSPTOApplication 18859640
- PendingPrimer Set, Kit For Determining Onset And/or Onset Risk Of Spinal Muscular Atrophy, And Method For Determining Onset And/or Onset Risk Of Spinal Muscular AtrophyUSPTOApplication 18852649
Show all 20 patent records
- Biomolecule Extraction MethodSep 29, 2026 · US 12,747,437Granted
- Method For Separating Target Substance Contained In Target LiquidJul 2, 2026 · Application 18859640Pending
- Primer Set, Kit For Determining Onset And/or Onset Risk Of Spinal Muscular Atrophy, And Method For Determining Onset And/or Onset Risk Of Spinal Muscular AtrophyJun 18, 2026 · Application 18852649Pending
- Extract From A Body Fluid Comprising A Micro RnaMay 14, 2026 · Application 19326844Pending
- Method For Forming MicrodropletsDec 18, 2025 · Application 18875569Pending
- Device To Be Used For Capturing Extracellular Vesicles, And Preservation Method And Transport Method For Extracellular VesiclesNov 13, 2025 · Application 18753587Pending
- Extract From A Body Fluid Comprising A Micro RnaOct 14, 2025 · US 12,442,044Granted
- A Method For Patterning A Substrate, A Method For Forming A Microstructure On A Substrate, And A Method For Fabricating A Fluidic DeviceJun 24, 2025 · US 12,338,523Granted
- Neural-network-based ClassifierOct 31, 2024 · Application 18685689Pending
- Device To Be Used For Capturing Extracellular Vesicles, And Preservation Method And Transport Method For Extracellular VesiclesJul 16, 2024 · US 12,038,360Granted
- Mirnas, Compositions, And Methods Of Using ThereofFeb 29, 2024 · Application 18472942Pending
- Extract From A Body Fluid Comprising A Micro RnaDec 19, 2023 · US 11,845,975Granted
- Method For Evaluating Likelihood Of Observation Value And ProgramNov 9, 2023 · Application 18248781Pending
- Biomolecule Extraction MethodNov 9, 2023 · Application 18245743Pending
- Body Fluid Extract Containing Micro RnaAug 24, 2023 · Application 17641054Pending
- Fluidic Device And Method For Separating BiomolculesFeb 7, 2023 · US 11,571,695Granted
- Method For Testing Brain TumorsNov 3, 2022 · Application 17763786Pending
- Biomolecule Recovering Device And Method, And Biomolecule Analyzing Device And MethodMay 12, 2022 · Application 17426420Pending
- Method Of Extracting Mirna And Method Of Analyzing MirnaFeb 3, 2022 · Application 17289611Pending
- Method For Fusing Lipid NanoparticlesApplication 19122610Pending
Related companies, and why
- MuscleSound, Inc.Similar federal contract value in Medtech · null in contracts
- Techcyte, Inc.Similar federal contract value in Medtech · null in contracts
- PASCALL Systems, IncorporatedSimilar federal contract value in Medtech · null in contracts
- IrisVision, IncSimilar federal contract value in Medtech · null in contracts
- Pristine Surgical LLCSimilar federal contract value in Medtech · null in contracts
- Sora Neuroscience, Inc.Similar federal contract value in Medtech · null in contracts
Press
Craif raises $33M to boost work on its urine test for cancer FierceBiotech
Regulatory activity · Medtech
- New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
- Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
- Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
- Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
- Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
- Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug Administration
Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .