Experience

International Professional University of Technology in Tokyo 東京国際工科専門職大学
• Japan
• Higher Education
• 1 - 100 Employee
• Associate Professor

  • Mar 2022 - Present

Kabuku Inc.
• Japan
• IT Services and IT Consulting
• 1 - 100 Employee
• Software Engineer

  • Sep 2014 - Present


SMART EDUCATION, LTD.

• United Kingdom
• Education Administration Programs

• Software Engineer

  • Mar 2013 - Aug 2014

  Develop iOS and Android applications for intellectual education. Develop iOS and Android applications for intellectual education.



Rakuten

• Japan
• Technology, Information and Internet
• 700 & Above Employee

• Senior Application Engineer

  • Jan 2012 - Feb 2013

  In-house SDK - Designed and implemented accessing APIs, UI components and analytics to improve applications quality - Used Objective-C for iOS, Java for Android Consultation for developing iOS and Android application - Gave advice and helped each division develop applications Rakuten Ichiba Application for iOS - Improved UI and existing codes in Objective-C - Reduced memory leaks by introducing Automatic Reference Counting In-house SDK - Designed and implemented accessing APIs, UI components and analytics to improve applications quality - Used Objective-C for iOS, Java for Android Consultation for developing iOS and Android application - Gave advice and helped each division develop applications Rakuten Ichiba Application for iOS - Improved UI and existing codes in Objective-C - Reduced memory leaks by introducing Automatic Reference Counting



Tonchidot corporation

• Japan
• Technology, Information and Internet
• 1 - 100 Employee

• Advanced Core Engineer

  • Aug 2009 - Dec 2011

  SekaiCamera - Augmented Reality application - Designed and implemented the application for Android and iOS in Java, C++ and Objective-C. - Led 3D graphics and Computer Vision R&D team. SekaiCamera - Augmented Reality application - Designed and implemented the application for Android and iOS in Java, C++ and Objective-C. - Led 3D graphics and Computer Vision R&D team.



HI Corporation

• Japan
• Software Development
• 1 - 100 Employee

• Software Engineer

  • Aug 2005 - Jul 2009

  3D Graphics engine for mobile phone -Designed and implemented the data loader module and the particle module. -Implemented by C and java. -Cooperated with a famous video game company. Collision detection library for mobile phone -Designed and implemented building a bounding volume module and bone animation module. -Implemented by C and java. -The library has became "com.nttdocomo.ui.graphics3d.collision" package. 3D Graphics engine for mobile phone -Designed and implemented the data loader module and the particle module. -Implemented by C and java. -Cooperated with a famous video game company. Collision detection library for mobile phone -Designed and implemented building a bounding volume module and bone animation module. -Implemented by C and java. -The library has became "com.nttdocomo.ui.graphics3d.collision" package.



Weathernews, inc.

• United States
• Business Consulting and Services

• Software Engineer

  • 1996 - 2005

  Weather forecast presentation system for broadcast stations -Designed and implemented graphics rendering program. -The program is controlled via TCP network and using XML data to describe the 3D scene information. -Implemented by C++, perl and Ruby. -Systems have been operated at lots of broadcast stations in Japan and Taiwan. 3D-GIS system for broadcast stations -Designed and implemented graphics rendering program and a camera pass editor GUI. -Implemented by C++, perl. -The system had been operated on SGI ONYX2 for Nagano Olympic game. Earthquake information system for experimental proof -Implemented 3D Japanese map and quake information positioned on it using VRML. -Implemented by C++, perl. Show less



S-Rhizome Co. Ltd.

• System Engineer

  • Apr 1991 - May 1996

  Developed control systems for electric power companies. Developed control systems for electric power companies.