iFarm: Development of cloud-based system of cultivation management for precision agriculture. - Yukikazu Murakami; Slamet Kristanto Tirto Utomo; Keita Hosono; Takeshi Umezawa; Noritaka Osawa (GCCE, 2013)

Proposed of Automatic Collection System on Farm Work Recode by RFID. - Yukikazu Murakami; Mizuki Ando; Miyuu Miyamoto; Slamet Kristanto Tirto Utomo (CISIS, 2016)

Low-energy smart trash bin architecture for dynamic waste collection system. - Slamet Kristanto Tirto Utomo; Takeo Hamada; Noboru Koshizuka (ICFNDS, 2018)

Blockchain-based Incentive System for Public Trash Bin. - Slamet Kristanto Tirto Utomo; Takeo Hamada; Noboru Koshizuka (GCCE, 2020)