Kono Seisakusho (CROWNJUN)
Ichikawa, Japan
Ichikawa, Chiba developer and manufacturer of microsurgical suture needles and instruments under the CROWNJUN brand.
Business types in Ichikawa
Regulation in Japan
Japan classes devices I-IV: Class I notification, many Class II/III third-party certification, others MHLW approval after PMDA review, always via a Japan-based MAH.
From the sourced PMD Act entry, checked 29 October 2026. General information, not legal advice. Requirements for Japan · All medical certifications