Yanagimoto-san's previous experience includes 30 years with Tonen Oil Refinery Company (an ExxonMobil family). At Tonen his responsibilities included design improvement and project expansion of refinery plants, creation of catalyst active model of catalytic reformer,
automation control application design and operation in the HQ Kawasaki Plant, replacement of process computers in Tonen and Tonen Chemicals by ACS (IBM) & CENTUM (Yokogawa DCS), and information system business development projects.
In 1985 he moved to System Plaza, a new spin-off from Tonen for information business, where his responsibilities included sales engineering, new product and business development including partnering contracts, and project management. Some of the projects he managed included a financial and shipment management system for a semiconductor device sales company, a replacement project of a Tonen off-site system, and production plan and asset management for a cement company.
In June 2001, he was promoted to Director of System Plaza, Plant Operation Management. In April 2003 he moved to Yokogawa Electric as GM of Information Solution Center, Information System Business Division, where he managed the information solution business for process industries in Yokogawa. In May 2005 he moved to OSIsoft to establish OSIsoft Japan.