Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8248122 | Digital PLL circuit and method of controlling the same | Satoru Nunokawa, Masaki Kato | 2012-08-21 |
| 8140916 | Unit for predicting malfunction of an apparatus | Satoru Nunokawa, Masaki Kato | 2012-03-20 |
| 7103042 | Node unit and state notice information acquiring method | Kazuyoshi Matsuno, Kazuhiro Kobayashi | 2006-09-05 |
| 5793940 | Data processing apparatus | Masato Tajima | 1998-08-11 |
| 5740251 | Data processing apparatus | Masato Tajima | 1998-04-14 |
| 5648964 | Master-slave multiplex communication system and PLL circuit applied to the system | Yoshio Inagaki, Masayuki Takami, Masahiro Kataoka | 1997-07-15 |
| 5517614 | Data compression/encryption processing apparatus | Masato Tajima | 1996-05-14 |
| 5276439 | Digital signal exchange equipment | Takehiko Atsumi, Hiroyuki Ibe, Takeshi Ozeki | 1994-01-04 |
| 5046072 | Signal distribution system | Fumihiko Shimizu | 1991-09-03 |
| 5027088 | Signal wiring board | Fumihiko Shimizu | 1991-06-25 |
| 5012240 | Parallel to serial converter with complementary bit insertion for disparity reduction | Shoichi Takahashi, Sayohiko Ichiki, Masatoshi Yorozu, Seiji Kunishige, Fumihiko Shimizu +2 more | 1991-04-30 |
| 4928318 | Optical signal transmission system including pulsed FM modulator/demodulator | Hiroyuki Ibe, Fumihiko Shimizu | 1990-05-22 |
| 4899339 | Digital multiplexer | Takehiko Atsumi, Hiroyuki Ibe, Sadao Tanikoshi | 1990-02-06 |
| 4795919 | Zero signal state detecting circuit | Sadao Tanikoshi, Hiroyuki Ibe | 1989-01-03 |
| 4733398 | Apparatus for stabilizing the optical output power of a semiconductor laser | Osamu Kinoshita | 1988-03-22 |
| 4704715 | Information communication system | Hiroyuki Ibe, Toshifumi Tamura, Takeshi Ozeki, Yoichi Hirayama | 1987-11-03 |
| 4644300 | Voltage-controlled variable-frequency pulse oscillator | Hiroyuki Ibe | 1987-02-17 |
| 4581730 | Optical instrumentation method and device | Takeshi Ozeki, Hiroyuki Ibe | 1986-04-08 |