Zen (Chen-Yu) Hsieh謝鎮宇

“Hsieh” rhymes with “shay”. Taiwan.

Founder of Digiter. Author of DocSubstrate. Named inventor on five patents. I build the layer that makes the paperwork of a business true, portable, and independent of the software that produced it.

Now

Documents should carry what they need to stand on their own, so nothing has to be bound to a system. 把文件應該要有的東西回歸給文件,這樣就不用什麼東西都綁系統。

DocSubstrate is an application-neutral document infrastructure layer: a contract for the minimum a durable record must carry — identity, meaning, version, provenance, integrity, references — so it can be read, verified, and continued after the source application, database, and workflow engine are gone. Existing standards do the mechanics; DocSubstrate allocates the responsibility. First engines run in production for clinical reports, ERP document issuance, and regulatory dossiers. Apache-2.0. github.com/docsubstrate

Registrations

Everything below is a public record. The codes are WIPO ST.9 INID fields as printed on a patent front page: (11) number, (54) title, (72) inventor, (73) assignee, (45) grant date.

(11)(54)(72)(73)(45)
US 10,317,379 B2High performance liquid chromatography with UV-visible detection — a portable HPLC under 12 kg, 22 L, 200 W2nd of 3Academia Sinica2019-06-11
US 11,119,078 B2Continuation of the above2nd of 3Academia Sinica2021-09-14
TW I579553 B以紫外光-可見光檢測之高效能液相層析設備及方法2nd of 3中央研究院2017-04-21
US 9,524,859 B2Pulsed ion beam source for electrospray mass spectrometry3rd of 3Academia Sinica2016-12-20
US 11,767,504 B2Albumin compositions and methods of producing and using same5th of 6Albcura Corp.2023-09-26

The two Academia Sinica families are halves of one instrument: a mass spectrometer you can carry.

Company
智僚資訊顧問有限公司 (Digiter) — Taiwan business ID 90273754, registered 2022-06-20, Taipei. Registry record
Code
github.com/zenhsieh
Mail
zen@zenhsieh.com

Work

Digiter builds and runs business systems for Taiwanese manufacturers, clinics, and restaurant franchises — ERP implementation on Odoo, e-invoicing, and the document infrastructure above. Before that: instrumentation at Academia Sinica, and co-founding an ISO 13485 medical-device company where I assembled the plant from second-hand equipment and my name is on the certificate.