Katagi; Takashi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Katagi; Takashi.The latest application filed is for "two-frequency antenna, multiple-frequency antenna, two- or multiple-frequency antenna array".
- Katagi; Takashi - Tokyo JP
- Katagi; Takashi - Kanagawa JP
- Katagi; Takashi - Kanagawa-ken JP
- Katagi; Takashi - Kamakura JP
- Katagi; Takashi - Yamato JA
| Patent | Date |
|---|---|
| Two-frequency antenna, multiple-frequency antenna, two- or multiple-frequency antenna array Grant 6,529,170 - Nishizawa , et al. March 4, 2 | 2003-03-04 |
| Two-frequency Antenna, Multiple-frequency Antenna, Two- Or Multiple-frequency Antenna Array App 20030034917 - Nishizawa, Kazushi ; et al. | 2003-02-20 |
| Mobile satellite communication system Grant 6,043,776 - Chiba , et al. March 28, 2 | 2000-03-28 |
| Antenna apparatus Grant 5,784,034 - Konishi , et al. July 21, 1 | 1998-07-21 |
| Omnidirectional slot antenna Grant 5,717,410 - Ohmine , et al. February 10, 1 | 1998-02-10 |
| Antenna device having a band pass filter Grant 5,684,492 - Kagoshima , et al. November 4, 1 | 1997-11-04 |
| Antenna apparatus and antenna system Grant 5,592,185 - Itabashi , et al. January 7, 1 | 1997-01-07 |
| Inverted F antenna with non-contact feeding Grant 5,434,579 - Kagoshima , et al. July 18, 1 | 1995-07-18 |
| Multi-layer array antenna Grant 5,262,791 - Tsuda , et al. November 16, 1 | 1993-11-16 |
| Antenna system Grant 5,257,030 - Aoki , et al. October 26, 1 | 1993-10-26 |
| Antenna system Grant 4,994,813 - Shiramatsu , et al. February 19, 1 | 1991-02-19 |
| Conformal array antenna Grant 4,922,257 - Saito , et al. May 1, 1 | 1990-05-01 |
| Antenna device Grant 4,827,270 - Udagawa , et al. May 2, 1 | 1989-05-02 |
| Antenna system Grant 4,644,359 - Katagi , et al. February 17, 1 | 1987-02-17 |
| Dual reflector antenna system Grant 4,618,866 - Makino , et al. October 21, 1 | 1986-10-21 |
| Antenna system with plural horn feeds Grant 4,559,540 - Betsudan , et al. December 17, 1 | 1985-12-17 |
| Antenna system with plural horn feeds Grant 4,462,034 - Betsudan , et al. July 24, 1 | 1984-07-24 |
| Dual reflector antenna Grant 4,356,494 - Katagi , et al. October 26, 1 | 1982-10-26 |
| Branching filter Grant 4,052,724 - Takeichi , et al. October 4, 1 | 1977-10-04 |
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