| Computer system with a packet transfer device using a hash value for transferring a content request K Toumura, M Kataoka, J Yamamoto, T Suzuki US Patent 7,653,703, 2010 | 207 | 2010 |
| Service providing system, gateway, and server K Toumura, M Nakahara, T Shibata US Patent App. 12/285,172, 2009 | 138 | 2009 |
| Communication path management method H Yabusaki, K Toumura, Y Ozawa, T Kato US Patent App. 14/765,097, 2015 | 102 | 2015 |
| Load balancer and load balancing system M Nakayama, A Kumagai, K Sugauchi, K Toumura US Patent 8,656,406, 2014 | 98 | 2014 |
| Packet forwarding apparatus K Toumura, T Suzuki, H Okita US Patent 7,606,148, 2009 | 97 | 2009 |
| Packet communications unit K Toumura, T Iijima US Patent 8,149,705, 2012 | 56 | 2012 |
| Video surveillance system and method using IP-based networks A Hiroike, T Kagehiro, N Akira, K Toumura, T Urano US Patent 9,277,165, 2016 | 53 | 2016 |
| An approach to mobile software robots for the WWW K Kato, Y Someya, K Matsubara, K Toumura, H Abe IEEE Transactions on Knowledge and Data Engineering 11 (4), 526-548, 1999 | 39 | 1999 |
| Cache system M Kataoka, K Toumura, T Suzuki, H Okita US Patent App. 11/489,666, 2007 | 33 | 2007 |
| Gateway system and control method K Toumura US Patent 8,510,372, 2013 | 29 | 2013 |
| Protected and Secure Mobile Object Computing in Planet K Kato, K Toumura, K Matsubara, S Aikawa, J Yoshida, K Kono, K Taura, ... | 21* | |
| Access relay method and access gateway device N Nemoto, K Toumura, N Haraguchi US Patent 8,938,794, 2015 | 20 | 2015 |
| Packet communication node apparatus with extension modules K Toumura US Patent 7,567,561, 2009 | 20 | 2009 |
| Packet transmission equipment and packet transmission system T Iijima, K Sakamoto, K Toumura US Patent App. 11/455,804, 2007 | 15 | 2007 |
| Packet communication apparatus with function enhancement module H Endo, K Toumura, T Suzuki US Patent 7,830,895, 2010 | 13 | 2010 |
| Modular type node apparatus for packet communication T Suzuki, K Toumura, H Okita US Patent 7,443,868, 2008 | 13 | 2008 |
| Vehicle-onboard apparatus system, portable terminal, and vehicle-onboard machine G Tsuchida, H Takano, Y Takeshima, K Toumura, H Sawajiri, K Tsurusu US Patent 8,958,927, 2015 | 10 | 2015 |
| Distributed cache system for large-scale networks M Kataoka, K Toumura, H Okita, J Yamamoto, T Suzuki 2006 International Multi-Conference on Computing in the Global Information …, 2006 | 10 | 2006 |
| Implementing Multiple Name Spaces Using An Active Network Technology K Toumura, K Kato, K Matsubara 情報処理学会論文誌 41 (6), 1665-1676, 2000 | 8 | 2000 |
| Network system and communication log analyzer K Wakayama, K Toumura, Y Takeda US Patent 8,942,735, 2015 | 6 | 2015 |
Kazuhiko KatoProfessor, Departmen of Computer Science, University of TsukubaVerified email at cs.tsukuba.ac.jp
