無線LAN活用システム開発、サービス開発

April 1986 - June 1989 Tokyo Electric Power Company Saitama Branch Kawagoe Engineering Office Electronic Communication Division
July 1989 - June 1992 Seconded to Tokyo Telematics Co., Ltd. Technology Department
July 1992 - July 1999 TEPCO Corporation Head office Electronic Communication Department Communication Research Section
August 1999 - September 1999 TEPCO's Headquarters Planning Department Business Development Office
October 1999 to February 2002 Speed ​​Net Co., Ltd. Technology Headquarters
March 2002 - December 2006 Tokyo Electric Power Company Head Office Optical Network Company Solution Sales G
January 2007 - June 2007 Secondary to KDDI Corporation BBC Sales Headquarters
July 2007 - September 2012 Temporary staff dispatched to Toko Electric Corporation System Business Division
October 2012 - June 2016 Tokyo Electric Power Energy Partner Build household account book, Alliance promotion office
July 2016 - TOKO Takatake Takatake Co., Ltd. Smart Grid Business Promotion Dept.
July 2019- TOKO TAKAOKA Co., Ltd. Innovation Business Promotion Dept.
July 2022- TOKO TAKAOKA Co., Ltd. GX Solution Business Division.