Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6020672 | Surface acoustic wave converter with improved frequency characteristics, surface acoustic wave device using such converter, and communication system using such device | Akane Yokota, Akira Torisawa, Tadashi Eguchi, Akihiro Koyama, Takahiro Hachisu | 2000-02-01 |
| 5962950 | Compact surface acoustic wave apparatus, spread spectrum signal receiver using the same apparatus for reception of spread spectrum signal, and spread spectrum signal communication system using the same spread spectrum signal receiver | Akira Torisawa, Tadashi Eguchi, Akihiro Koyama, Takahiro Hachisu, Akane Yokota | 1999-10-05 |
| 5815055 | Matched filter with improved synchronous characteristics, and reception device and communication system using the same | Tadashi Eguchi, Akira Torisawa, Akihiro Koyama, Takahiro Hachisu, Akane Yokota | 1998-09-29 |
| 5760525 | Surface acoustic wave device and communication system using it | Takahiro Hachisu, Akira Torisawa, Norihiro Mochizuki, Tadashi Eguchi, Akihiro Koyama | 1998-06-02 |
| 5717274 | Efficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the same | Tadashi Eguchi, Akira Torisawa, Norihiro Mochizuki, Akihiro Koyama, Takahiro Hachisu | 1998-02-10 |
| 5708402 | Surface acoustic wave device improved in convolution efficiency, receiver using it, communication system using it, and method for producing surface acoustic wave device improved in convoluting efficiency | Takahiro Hachisu, Norihiro Mochizuki, Tadashi Eguchi, Akihiro Koyama, Akane Yokota | 1998-01-13 |
| 5539687 | Correlator and communication system using it | Akira Torisawa, Tadashi Eguchi | 1996-07-23 |
| 5477098 | Efficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the same | Tadashi Eguchi, Akira Torisawa, Norihiro Mochizuki, Akihiro Koyama, Takahiro Hachisu | 1995-12-19 |
| 5367216 | Surface acoustic wave element and communication system using the same | Kenji Nakamura, Norihiro Mochizuki | 1994-11-22 |
| 5200663 | Surface acoustic wave device provided with output transducer split into a plurality of portions, and communication system using the same | Norihiro Mochizuki, Kenji Nakamura | 1993-04-06 |
| 5185548 | Surface acoustic wave device with reflected wave at side edges on waveguide suppressed and communication system using the same | Kenji Nakamura, Norihiro Mochizuki | 1993-02-09 |
| 5164628 | Elastic surface wave convolva having wave width converting means and communication system using same | Norihiro Mochizuki | 1992-11-17 |
| 5011623 | Nonlinear optical material and nonlinear optical device | Kazuo Yoshinaga, Takashi Kai, Yomishi Toshida, Hideaki Mitsutake, Koichi Sato +1 more | 1991-04-30 |
| 5003213 | Surface acoustic wave convolver with plural wave guide paths for generating convolution signals of mutually different phases | Norihiro Mochuzuki, Kenji Nakamura | 1991-03-26 |
| 4882715 | Surface acoustic wave convolver with dielectric film of high non-linear effect | Norihiro Mochizuki, Kenji Nakamura, Kazuo Yoshinaga | 1989-11-21 |