Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6459721 | Spread spectrum receiving apparatus | Katsuo Saito, Akira Torisawa, Toshihiko Myojo, Ichiro Kato, Tetsuo Kanda +3 more | 2002-10-01 |
| 6320842 | Spread spectrum communication apparatus | — | 2001-11-20 |
| 5917850 | Spread spectrum receiving apparatus | Takao Fujita, Toshihiko Myojo, Tadashi Eguchi, Rie Suzuki | 1999-06-29 |
| 5856997 | Spread spectrum receiving apparatus | Katsuo Saito, Akira Torisawa, Toshihiko Myojo, Ichiro Kato, Tetsuo Kanda +3 more | 1999-01-05 |
| 5812592 | Spread spectrum communication apparatus utilizing a phase difference between two signals | Rie Suzuki, Toshihiko Myojo | 1998-09-22 |
| 5793794 | Spread spectrum receiving apparatus | Ichiro Kato, Katsuo Saito, Toshihiko Myojo, Hidetada Nago, Tetsuo Kanda | 1998-08-11 |
| 5760525 | Surface acoustic wave device and communication system using it | Takahiro Hachisu, Akira Torisawa, Koichi Egara, 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, Koichi Egara, 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, Koichi Egara, Tadashi Eguchi, Akihiro Koyama, Akane Yokota | 1998-01-13 |
| 5661358 | Demodulation apparatus and communication system using the same | — | 1997-08-26 |
| 5537396 | Diffusion code generating method for spread spectrum communication | Tetsuo Kanda, Katsuo Saito, Toshihiko Myojo, Ichiro Kato, Hidetada Nago | 1996-07-16 |
| 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, Koichi Egara, Akihiro Koyama, Takahiro Hachisu | 1995-12-19 |
| 5374863 | Surface acoustic wave device, and demodulation device and communication system using the same | Hidetada Nago | 1994-12-20 |
| 5367216 | Surface acoustic wave element and communication system using the same | Koichi Egara, Kenji Nakamura | 1994-11-22 |
| 5353304 | Surface acoustic wave device, and demodulating apparatus and communication system using the surface acoustic wave device | — | 1994-10-04 |
| 5200663 | Surface acoustic wave device provided with output transducer split into a plurality of portions, and communication system using the same | Koichi Egara, 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 | Koichi Egara, Kenji Nakamura | 1993-02-09 |
| 5164628 | Elastic surface wave convolva having wave width converting means and communication system using same | Koichi Egara | 1992-11-17 |
| 4965480 | Surface acoustic wave convolver with two output electrodes of different lengths | — | 1990-10-23 |
| 4882715 | Surface acoustic wave convolver with dielectric film of high non-linear effect | Koichi Egara, Kenji Nakamura, Kazuo Yoshinaga | 1989-11-21 |
| 4492545 | Cam ring for vane pump | Hiroyuki Hashizume | 1985-01-08 |
| 4408964 | Vane pump | Fusayoshi Kugimiya | 1983-10-11 |