Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8565348 | Radio transmitting apparatus | Hideaki Majima, Hiroyuki Fujiki | 2013-10-22 |
| 7962154 | Transmitting device for transmitting contents with copyright protection | Hideaki Nakakita, Hiroshi Isozaki, Kiyoshi Toshimitsu, Takeshi Saito, Taku Kato | 2011-06-14 |
| 7324822 | Wireless communication scheme with communication quality guarantee and copyright protection | Hideaki Nakakita, Hiroshi Isozaki, Kiyoshi Toshimitsu, Takeshi Saito, Taku Kato | 2008-01-29 |
| 7321569 | Radio communication system using point-to-point and point-to-multipoint user information communications | Masahiro Takagi, Takafumi Sakamoto, Eiji Kamagata | 2008-01-22 |
| 7269148 | Scheme for adaptive control of transport layer connection in communications via radio and wire networks | Masahiro Takagi, Noriyasu Kato, Kumiko Nakakita, Katsuya Nounin, Mutsumu Serizawa +1 more | 2007-09-11 |
| 7184778 | Radio terminal and information reception control method suitable for push type information distribution system | Takafumi Sakamoto, Eiji Kamagata, Kiyoshi Toshimitsu | 2007-02-27 |
| 7151758 | Router device, datagram transfer method and communication system realizing handoff control for mobile terminals | Yoshinari Kumaki, Shigeo Matsuzawa, Noriyasu Kato, Osamu Moriya, Toshio Okamoto | 2006-12-19 |
| 7024204 | Wireless communication scheme with communication quality guarantee and copyright protection | Hideaki Nakakita, Hiroshi Isozaki, Kiyoshi Toshimitsu, Takeshi Saito, Taku Kato | 2006-04-04 |
| 6965580 | Radio communication system using point-to-point and point-to-multipoint user information communications | Masahiro Takagi, Takafumi Sakamoto, Eiji Kamagata | 2005-11-15 |
| 6850519 | Communication node and packet transfer method | Takeshi Saito, Eiji Kamagata, Noriyasu Kato, Ichiro Tomoda, Hirokazu Tanaka | 2005-02-01 |
| 6807427 | Radio terminal and information reception control method suitable for push type information distribution system | Takafumi Sakamoto, Eiji Kamagata, Kiyoshi Toshimitsu | 2004-10-19 |
| 6675346 | Code transmission scheme for communication system using error correcting codes | — | 2004-01-06 |
| 6516435 | Code transmission scheme for communication system using error correcting codes | — | 2003-02-04 |
| 6473411 | Router device, datagram transfer method and communication system realizing handoff control for mobile terminals | Yoshinari Kumaki, Shigeo Matsuzawa, Noriyasu Kato, Osamu Moriya, Toshio Okamoto | 2002-10-29 |
| 6418128 | Scheme for adaptive control of transport layer connection in communications via radio and wire networks | Masahiro Takagi, Noriyasu Kato, Kumiko Nakakita, Katsuya Noujin, Mutsumu Serizawa +1 more | 2002-07-09 |
| D459336 | Combined radio receiver and digital audio disc player | Masafumi Ito | 2002-06-25 |
| D436596 | Magnetic disc memory | Masafumi Ito | 2001-01-23 |
| D434749 | Combined digital audio disc player, amplifier and tuner | Masafumi Ito, Yukio Iikura, Hiroyuki Watanabe, Ayumi Kobayashi | 2000-12-05 |
| 6061820 | Scheme for error control on ATM adaptation layer in ATM networks | Kumiko Nakakita | 2000-05-09 |
| D408407 | Digital audio disc player | Masafumi Ito, Shigeru Hasegawa | 1999-04-20 |
| D408408 | Digital audio disc player | Masafumi Ito, Shigeru Hasegawa | 1999-04-20 |
| D391571 | Optical disc player | Masafumi Ito, Shigeru Hasegawa, Tooru Katayama | 1998-03-03 |
| 5557609 | Switching apparatus for ATM | Yasuro Shobatake, Yoshiaki Takabatake, Mikio Hashimoto, Taketoshi Tujita, Junichi Takeda +1 more | 1996-09-17 |
| 5541926 | ATM cell assembly and disassembly device with enhanced data handling flexibility | Takeshi Saito, Akihiro Horiguchi, Muneyuki Suzuki | 1996-07-30 |
| D367052 | Combined audio mixer and tape recorder | Masafumi Ito, Shigeru Hasegawa, Katsuhiro Takashima, Yasunobu Shimizu | 1996-02-13 |