Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8462620 | Communication system, delay insertion server, backup server and communication control apparatus | Toru Hasegawa | 2013-06-11 |
| 8116313 | Data communication system, backup server and communication control apparatus | Toru Hasegawa | 2012-02-14 |
| 8064346 | Communication path control system, program, and storage medium therefor | Kenji Kumaki | 2011-11-22 |
| 7894465 | Channel switching multicast distribution apparatus and method, and multicast reception apparatus | Chikara Sasaki, Atsushi Tagami | 2011-02-22 |
| 7710889 | Communication system, delay insertion server, backup server and communication control apparatus | Toru Hasegawa | 2010-05-04 |
| 7599368 | Communication system | Toru Hasegawa | 2009-10-06 |
| 7151751 | Traffic generation apparatus suitable for use in communication experiments | Atsushi Tagami, Toru Hasegawa, Kouji Nakao, Hiroki Furuya, Hajime Nakamura | 2006-12-19 |
| 6587435 | Apparatus for high speed communication on asymmetric line | Yutaka Miyake, Toru Hasegawa, Toshihiko Kato | 2003-07-01 |
| 6535515 | TCP communication speed improving system | Toru Hasegawa, Toshihiko Kato, Kouhei Yoshiizumi | 2003-03-18 |
| 5391241 | Fe-Ni alloy cold-rolled sheet excellent in cleanliness and etching pierceability | Atsushi Watanabe, Tadashi Inoue, Tomoyoshi Okita, Yoshiteru Kikuchi, Hidetoshi Matsuno | 1995-02-21 |
| 5207844 | Method for manufacturing an Fe-Ni cold-rolled sheet excellent in cleanliness and etching pierceability | Atsushi Watanabe, Tadashi Inoue, Tomoyoshi Okita, Yoshiteru Kikuchi, Hidetoshi Matsuno | 1993-05-04 |
| 4783219 | Method for melting and reducing chrome ore | Hajime Mori, Minoru Hirano, Yoshihiko Kawai, Yoshiteru Kikuchi, Kenji Takahashi | 1988-11-08 |
| 4674101 | Arc-heating type extra-furnace refining apparatus | Kazuhiko Matsuo, Seigo Kuwano, Ryuji Yamaguchi, Akio Shiwata, Yoneichi Hamada +5 more | 1987-06-16 |
| 4650517 | Method of heating molten steel by arc process | Seigo Kuwano, Ryuji Yamaguchi, Kazuhiko Matsuo | 1987-03-17 |
| 4539043 | Bottom-blown gas blowing nozzle | Yoshiharu Miyawaki, Masayuki Hanmyo, Yusuke Shiratani, Yoichi Nimura, Noriyuki Hiraga | 1985-09-03 |
| 4438907 | Gas blowing nozzle, and production and usage thereof | Narito Kimura, Kiyomi Taguchi, Masayuki Hammyo, Osamu Terada, Youichi Nimura +1 more | 1984-03-27 |