Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5920592 | Data transmitter-receiver | Kenji Okita | 1999-07-06 |
| 5870666 | Radio channel estimation based on BER and RSSI | Kenji Okita | 1999-02-09 |
| 5835459 | Optical disc apparatus for recording and reproducing data onto and from an optical disc with grooves and lands | Tamane Takahara, Mikio Yamamuro | 1998-11-10 |
| 5825761 | Radio communication equipment with transmission rate regulating function | Kenji Okita | 1998-10-20 |
| 5754588 | Radio modem | — | 1998-05-19 |
| 5740138 | Apparatus for recording information on a primary optical disk to manufacture optical disks | Isao Hoshino, Toyoki Taguchi, Masaaki Matsumaru | 1998-04-14 |
| 5661711 | Optical recording and reproducing apparatus | Toshihiro Sugaya | 1997-08-26 |
| 5617449 | IC memory card type radio modem | — | 1997-04-01 |
| 5615200 | Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head | Isao Hoshino, Shoko Wachi, Yoshinori Honguh | 1997-03-25 |
| 5610941 | IC card radio modem | Kohei Nishiyama | 1997-03-11 |
| 5566226 | Portable telephone apparatus which can be connected to an external apparatus without using an adapter | Tamiyuki Mizoguchi, Kohei Nishiyama | 1996-10-15 |
| 5513164 | Optical recording and reproducing apparatus | Toshihiro Sugaya | 1996-04-30 |
| 5475210 | Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device | Toyoki Taguchi, Toshihiro Sugaya, Hisashi Yamada, Kei Shimura, Isao Hoshino +4 more | 1995-12-12 |
| 5329244 | Linear compensating circuit | Noriyuki Fujita | 1994-07-12 |
| 5282020 | Device for generating horizontal scanning periodic signal of pal-system to obtain clear display image | — | 1994-01-25 |
| 5234526 | Window for microwave plasma processing device | Ching-Hwa Chen, David R. Pirkle, Takashi Inoue, Shunji Miyahara | 1993-08-10 |
| 5202789 | Optical system for preserving a state of polarization of light beam | — | 1993-04-13 |