- Apple’s Challenge under COVID-19 Pandemic (Toshihiro Takagi / Kazutoshi Otani Special Talk) · 2021년
- Apple's Service Outlook (Toshihiro Takagi & Kazutoshi Ootani Special Talk) · 2019년
- Future Strategy of Apple Which Tim Cook CEO Clarified in His Announcement · 2014년
- Apple in the 4Os Age · 2015년
- Highlights of WWDC 2016 (Toshihiro Takagi, Kazutoshi Otani Special Talk) · 2016년
- Apple in the 4Os Age · 2015년
- Future Strategy of Apple Which Tim Cook CEO Clarified in His Announcement · 2014년
- Apple’s Challenge under COVID-19 Pandemic (Toshihiro Takagi / Kazutoshi Otani Special Talk) · 2021년
- Future Strategy of Apple Which Tim Cook CEO Clarified in His Announcement · 2014년
- WWDC2018 - Things Ahead of Apple's Path · 2018년
- Let's Lead the World By the Health-Care ! · 2013년
- Apple's Service Outlook (Toshihiro Takagi & Kazutoshi Ootani Special Talk) · 2019년
- iJockey Entertainment for the production of new society · 2013년