Chaintope Patents

Patent portfolio assigned to Chaintope (verified via public assignee records). Estimated patent count: 4. Fukuoka blockchain integrator (Tapyrus). Company site lists 4 held patents (JP 6935662 Freshness Proof, 6943393 accumulator, 6980288 off-chain, 7231291 confidential traceability). Business partnership with Mitsubishi Research Institute. No distinct direct competitors confidently sourced.