| 2013 | APNOMS | OSS data integration using virtual database. | Naoki Take, Manabu Nishio, Hikaru Seshake |
| 2013 | APNOMS | Method for visualizing information from large-scale carrier networks. | Naoki Tateishi, Mitsuho Tahara, Naoyuki Tanji, Hikaru Seshake |
| 2013 | IM | Scale-out architecture for service order processing systems. | Masafumi Shimizu, Hikotoshi Nakazato, Hikaru Seshake |
| 2013 | IM | Methods for rapidly testing node reachability on multiple virtual private networks and evaluation. | Naoki Tateishi, Naoyuki Tanji, Mitsuho Tahara, Hikaru Seshake |
| 2010 | NOMS | Detecting and recovering prefix hijacking using multi-agent inter-AS diagnostic system. | Saburo Seto, Naoki Tateishi, Manabu Nishio, Hikaru Seshake |
| 2009 | APNOMS | High-Speed Traceroute Method for Large Scale Network. | Naoki Tateishi, Saburo Seto, Hikaru Seshake |
| 2002 | NOMS | Distributed adapter technology for enterprise network operations support. | Atsushi Iwasaki, Nobuhiro Kimura, Hikaru Seshake, Takehisa Ichijo, Masakazu Aso, Yuji Hibino |
| 1996 | NOMS | Data communication platform in distributed operations system based on TMN. | Hikaru Seshake, Toshio Oimatsu, Nobuyoshi Akiyama |