RonPub UG (haftungsbeschränkt) http://www.ronpub.com Kenshin Ikegami Yukio Ohsawa Model of Creative Thinking Process on Analysis of Handwriting by Digital Pen 27-39 2015 Open Journal of Information Systems (OJIS) 2 2 http://nbn-resolving.de/urn:nbn:de:101:1-201705194781 https://www.ronpub.com/ojis/OJIS_2015v2i2n04_Ikegami.html https://www.ronpub.com/OJIS_2015v2i2n04_Ikegami.pdf