January 30, 2019
We updated the "Main Clients of Career Profile" .

October 5, 2017
We updated the "Mission Statement" .

July 12, 2014
We updated the "Main Clients of Career Profile" .

July 30, 2012
New Client "Chelsea Building Products" and "ICCNexergy, Inc." were added to Mr. Doi's clients.
We updated the "Main Clients of Career Profile"

January 1, 2012
We updated the "Doi's Strategy for business growth" in the “Doi's Vision for Ideal Company” page of the “Mission Statement”.
We are very happy if this update will be helpful for your success.

November 10, 2010
We updated from "An organization Doi aspires to (Kaizen)" to "The pursuit of True Value (Kaizen)" in the "Doi's Vision for Ideal Company" page of Mission Statement.

October 10, 2010
We released new page "Doi's Vision for Ideal Company" in Mission Statement.
Please quest of this new page for your own benefit.

February 12, 2010
We released new material "KAIZEN Method for Mixed Flow Production", "Check Points at Manufacturing Facility (GEMBA)" and
"KAIZEN Concepts" of How to Implement page. Please use them for your own benefit.

January 7, 2010
We updated the "Main Clients of Career Profile" .

March 3, 2007
We released the new KAIZEN Cartoons the "
Don't trap a person in a cage"

October 11, 2006
We added the "
Doi's Poem "Youth"".
Please read this new page.


June 20, 2006
We released the new KAIZEN Cartoons the "
Production Meeting".

May 20, 2006
We renewed the "How to proceed Kaizen" page to the "
How to Implement KAIZEN". Please quest of this new page.

November 11, 2005
We just renewed our website. Open Now!

Please quest of our website. And please let us know your opinion.