| 7177960 |
Mobile terminal |
Kazuyuki Takizawa |
2007-02-13 |
| 6928306 |
Portable mobile unit |
Masayuki Matsuda, Kazuyuki Takizawa, Akio Shinagawa, Chikako Takada |
2005-08-09 |
| 6285982 |
Sound decompressing apparatus providing improved sound quality during special reproducing such as forward search reproducing and reverse search reproducing |
Tutomu Imai, Junji Shiokawa |
2001-09-04 |
| 5754629 |
Information processing system which can handle voice or image data |
Yoshihiko Kunimori, Toshio Kamimura, Tomochika Ozaki, Takao Iwatani, Tadashi Kuwabara +1 more |
1998-05-19 |
| 5740369 |
Information delivery system and portable information terminal |
Tooru Yokozawa, Hiroshi Shimizu, Wataru Kitayama, Hidefumi Goto, Tadashi Kuwabara +1 more |
1998-04-14 |
| 5361047 |
PI/4 shift QPSK modulator and communication apparatus used therewith |
Yasuaki Takahara, Shigeyuki Sudo, Teiji Okamoto |
1994-11-01 |
| 5131032 |
Echo canceller and communication apparatus employing the same |
Yoshihiro Ohta |
1992-07-14 |