Issued Patents All Time
Showing 1–25 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40465 | Dielectric filter, dielectric duplexer, and communication apparatus | Motoharu Hiroshima, Katsuhito Kuroda, Shohachi Nishijima, Hideyuki Kato | 2008-08-26 |
| 7132383 | Polymerization catalyst for polyester, polyester produced with the same, and process for producing polyester | Takahiro Nakajima, Kenichi Tsukamoto, Shoichi Gyobu, Fumikazu Yoshida, Maki Sato +9 more | 2006-11-07 |
| 6694601 | Method of adjusting characteristics of dielectric filter | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2004-02-24 |
| 6696784 | Light emitting diode module | Minoru Yoshida | 2004-02-24 |
| 6556101 | Dielectric resonator, dielectric filter, dielectric duplexer, and communication device | Hitoshi Tada, Hideyuki Kato | 2003-04-29 |
| 6507250 | Dielectric filter, dielectric duplexer, and communication equipment | Hitoshi Tada, Hideyuki Kato, Motoharu Hiroshima | 2003-01-14 |
| 6466109 | Dielectric filter having non-conductive adjusting regions | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2002-10-15 |
| 6420942 | Dielectric filter, dielectric duplexer, and communication apparatus | Motoharu Hiroshima, Katsuhito Kuroda, Shohachi Nishijima, Hideyuki Kato | 2002-07-16 |
| 6401328 | Manufacturing method of dielectric filter having a pattern electrode disposed within a dielectric body | Tadahiro Yorita, Yasuo Yamada, Hideyuki Kato, Yukihiro Kitaichi, Hisashi Mori +1 more | 2002-06-11 |
| 6400238 | Dielectric filter having side surface indentation | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2002-06-04 |
| 6353374 | Dielectric filter with recessed end surface | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2002-03-05 |
| 6313797 | Dielectric antenna including filter, dielectric antenna including duplexer, and radio apparatus | Junichi Kurita, Hideyuki Kato, Yuichi Kushihi, Motoharu Hiroshima, Jinsei Ishihara | 2001-11-06 |
| 6304158 | Dielectric filter, composite dielectric filter, antenna duplexer, and communication apparatus | Shohachi Nishijima, Motoharu Hiroshima, Hideyuki Kato | 2001-10-16 |
| 6231966 | Oriented polyester film | Yasuhiro Nishino | 2001-05-15 |
| 6163237 | Dielectric filter and dielectric duplexer | Jun Toda, Hideyuki Kato | 2000-12-19 |
| 6140968 | Surface mount type circularly polarized wave antenna and communication apparatus using the same | Kazunari Kawahata, Shigekazu Itoh, Yuichi Kushihi, Masaru Shikata | 2000-10-31 |
| 6087909 | Dielectric filter having at least one stepped resonator hole with an elongated cross-section | Jun Toda | 2000-07-11 |
| 6087910 | Dielectric filter having stepped resonators with non-conductive gap | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Hisashi Mori | 2000-07-11 |
| 6078230 | Characteristic adjusting method for dielectric filter using a grinding tool | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2000-06-20 |
| 6069542 | Dielectric filter having resonator electrodes, shield electrodes, and coupling electrodes disposed within a dielectric body | Tadahiro Yorita, Yasuo Yamada, Hideyuki Kato, Yukihiro Kitaichi, Hisashi Mori +1 more | 2000-05-30 |
| 6017130 | Line illumination device | Tomihisa Saito, Takashi Kishimoto | 2000-01-25 |
| 6014067 | Dielectric resonator filter having a portion of the outer surface closer to the resonators | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2000-01-11 |
| 6005456 | Dielectric filter having non-conductive adjusting regions | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 1999-12-21 |
| 5994981 | Dielectric filter having obliquely oriented stepped resonators | Jun Toda | 1999-11-30 |
| 5986521 | Multi-passband filter | Hitoehi Tada, Hideyuki Katoh | 1999-11-16 |