Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D435035 | Speaker box | Yasuo Yuyama | 2000-12-12 |
| 6125138 | Base station transmitter-receiver | — | 2000-09-26 |
| D431270 | Toy | Kozo Kawakita, Takeshi Yamagishi, Hiroshi Osawa, Kazuhiro Kato, Shuichi Kobayashi +2 more | 2000-09-26 |
| 5963587 | Wideband transceiver | — | 1999-10-05 |
| D413885 | Combined wireless telephone and keyboard | Mayu Irimajiri, Aya Furumura | 1999-09-14 |
| 5937336 | Transmission/reception apparatus | — | 1999-08-10 |
| 5926230 | Electrical program guide system and method | Makoto Niijima, Hiroaki Nakano, Yumie Sonoda, Junichi Nagahara, Tatsushi Nashida +2 more | 1999-07-20 |
| D412166 | Television receiver | Noriaki Takagi, Shigeyuki Kazama | 1999-07-20 |
| 5903314 | Electrical program guide system and method | Makoto Niijima, Hiroaki Nakano, Yumie Sonoda, Junichi Nagahara, Tatsushi Nashida +2 more | 1999-05-11 |
| 5845260 | System and method for parent-controlled charging for on-line services | Hiroaki Nakano, Makoto Niijima, Yumie Sonoda, Junichi Nagahara, Tatsushi Nashida | 1998-12-01 |
| 5768694 | Automatic gain control circuit with input and output signal detectors operating in equalized conditions | — | 1998-06-16 |
| 5754949 | Transmitter-receiver apparatus | Yutaka Oda | 1998-05-19 |
| D388095 | Media unit | Makoto Niijima | 1997-12-23 |
| D385562 | Media unit | Makoto Niijima | 1997-10-28 |
| 5548811 | Automatic frequency control circuit selectively using frequency-divided local oscillator signal or pilot signal | Eiji Itaya, Yoichi Endo | 1996-08-20 |
| D368473 | Communication device | Makoto Niijima | 1996-04-02 |
| 5410729 | Signal transmission device having an automatic transmission level control circuit used in a multi-carrier transmission terminal equipment and multi-carrier transmission terminal equipment employing the transmission device | Yoichi Endo | 1995-04-25 |
| 5257415 | Automatic transmission level control device | Eiji Itaya, Yoichi Endo | 1993-10-26 |
| 5235292 | Signal generator having backup oscillator switching circuit | Yoichi Endo, Eiji Itaya | 1993-08-10 |
| D331059 | Headphone | Takashi Sogabe | 1992-11-17 |
| 4968951 | Phase locked loop having circuit for recovering from oscillation stoppage | Eiji Itaya | 1990-11-06 |
| 4755978 | Disc player | Kazuyuki Takizawa, Hiroyuki Urushibata | 1988-07-05 |
| D279472 | Television projector | — | 1985-07-02 |