Issued Patents 2004
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835968 | High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment | Shoichi Kitazawa, Masaharu Tanaka, Toru Yamada | 2004-12-28 |
| 6822534 | Laminated electronic component, laminated duplexer and communication device | Kazuhide Uriu, Hiroyuki Nakamura, Toru Yamada, Tsutomu Matsumura, Hiroshi Kagata +1 more | 2004-11-23 |
| 6809611 | Composite filter, antenna duplexer, and communication apparatus | Hiroyuki Nakamura | 2004-10-26 |
| 6801100 | Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same | Hiroyuki Nakamura, Toru Yamada, Kazunori Nishimura, Narihiro Mita | 2004-10-05 |
| 6794959 | In-band-flat-group-delay type dielectric filter and linearized amplifier using the same | Takehiko Yamakawa, Toru Yamada, Minoru Tachibana, Toshiaki Nakamura, Hiroyuki Nakamatsu | 2004-09-21 |
| 6784759 | Antenna duplexer and communication apparatus | Tomoya Maekawa, Hiroyuki Nakamura, Toru Yamada | 2004-08-31 |
| 6784765 | Multilayer ceramic device | Toru Yamada, Kazuhide Uriu, Tsutomu Matsumura | 2004-08-31 |
| 6768399 | Laminated bandpass filter, high frequency radio device and laminated bandpass filter manufacturing method | Kazuhide Uriu, Toru Yamada, Tsutomu Matsumura | 2004-07-27 |
| 6765460 | Dielectric laminated device including a buried electric conductive member to form a strip line and its method of manufacture | Hideaki Nakakubo, Toru Yamada, Hiroshi Kagata, Tatsuya Inoue, Shoichi Kitazawa | 2004-07-20 |
| 6759916 | High-frequency filter device, filter device combined to a transmit-receive antenna, and wireless apparatus using the same | Toru Yamada | 2004-07-06 |
| 6750737 | High frequency switch and radio communication apparatus with layered body for saw filter mounting | Kazuhide Uriu, Keiji Onishi, Toru Yamada | 2004-06-15 |
| 6747528 | Dielectric filter, antenna duplexer, and communications appliance | Tomoya Maekawa, Hiroshi Kushitani, Hiroshi Shigemura, Toru Yamada, Hideaki Nakakubo | 2004-06-08 |
| 6710683 | Surface acoustic wave filter and communications apparatus using the same | Hiroyuki Nakamura, Toru Yamada, Kazunori Nishimura, Tsutomu Igaki, Shigeru Tsuzuki +1 more | 2004-03-23 |
| 6707353 | Dielectric filter | Takehiko Yamakawa, Toru Yamada, Akira Enokihara, Minoru Tachibana, Toshiaki Nakamura | 2004-03-16 |