Good Documents are Essentials for Regulatory Compliance. 

Bunzen helps regulated companies and organizations in the healthcare industry create documents which are required or expected for regulatory compliance; including policies, standards, Standard Operation Procedures, Manuals, and Computerized Systems Validation documents.


About Us

Bunzen was established in August 2018 by Kenichi Nakano.

Nakano has been providing consulting service to regulated customers since 2002.

He is an ISACA Certified Information Systems Auditor (CISA)and a Systems Auditor certified by IPA, Japan.

Nakano is the Asia Pacific facilitator for the eClinical Forum (eclinicalforum.org/) .


Our Services

CSV consultation

Bunzen provides pragmatic advice and support to our customers with computerized-systems-related regulatory compliance such as computerized systems validation (CSV), development of CSV policies, standards and SOPs, supplier audits, and internal training.  Bunzen always tries its best to understand the customers and the situation in order to provide the optimal deliverables.

Audit reports

PCG Solutions, the developer of Viedoc, an Electronic Data Capture (EDC) system, asked us in 2019 to audit their software. The report covers all audit questions listed in the de-facto standard GAMP 5.  Regulated companies will be able to save on auditing cost significantly by assessing it.
The assessment report (English Edition) is available now. Click here to see the summary of the assessment report.


Contact Us

You can contact us using the details provided.


Bunzen Co., Ltd.

Emai: info1@bunzen.co.jp


Minami-dai 3-3-7-201, Minamiku

Sagamihara-shi, Japan, 252-0314