Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7804829 | Wireless communication system, data transmitter and wireless communication method | — | 2010-09-28 |
| 7426396 | Wireless communication system, wireless communication apparatus, and wireless communication method | Shigeru Sugaya, Satoshi Konya, Yasuhiko Mizoguchi, Hideki Iwami | 2008-09-16 |
| 7330497 | Wireless communication system using an impulse signal train, a wireless transmission apparatus, a wireless reception apparatus, a wireless transmission method, and a wireless reception method | Shigeru Sugaya | 2008-02-12 |
| 7301984 | Wireless communication system using an impulse signal train, a wireless transmission apparatus, a wireless reception apparatus, a wireless transmission method, and a wireless reception method | Shigeru Sugaya | 2007-11-27 |
| 7254418 | System, method, apparatus, control method thereof and computer program for wireless communications | — | 2007-08-07 |
| 6643100 | Magnetic head having a chamfer thereof oriented toward medium and method for manufacturing the same | — | 2003-11-04 |
| 6638670 | Exposure mask and exposure method using the same | Toshihiko Sato, Masaki Ikegami, Masami Kobayashi, Masaharu Yokoyama | 2003-10-28 |
| 6259997 | Signal power detection apparatus | Noboru Sasho, Satoshi Konya, Tomoya Yamaura | 2001-07-10 |
| 6122311 | Demodulating method and apparatus, receiving method and apparatus and communication apparatus | Nobuhiko Watanabe | 2000-09-19 |
| 6088345 | Communication method, base station and terminal apparatus | Kazuyuki Sakoda, Takashi Usui, Mitsuhiro Suzuki, Shiro Omori, Tetsuya Naruse +1 more | 2000-07-11 |
| 6084851 | Demodulating method and apparatus, receiving method and apparatus, and communication apparatus | — | 2000-07-04 |
| 6081721 | Communication method, base station and terminal apparatus | Mitsuhiro Suzuki, Kazuyuki Sakoda, Tomoya Yamaura, Tetsuya Naruse, Shiro Ohmori +1 more | 2000-06-27 |
| 5982977 | Apparatus and method for synthesizing information signal and reproduction control signal and information signal recording apparatus | Tetsuya Naruse, Michimasa Komatsubara, Teruo Masaki, Kaname Mori | 1999-11-09 |
| 5764363 | Apparatus for observing a surface using polarized light | Hiroshi Ooki, Yutaka Iwasaki, Tsuneyuki Hagiwara | 1998-06-09 |
| 5703527 | Frequency modulated signal demodulator circuit and communication terminal equipment | — | 1997-12-30 |
| 5694220 | Minute step measuring method | Hiroshi Ooki, Yutaka Iwasaki | 1997-12-02 |
| 5691471 | Acceleration and angular velocity detector | Mitsuhiro Okazaki | 1997-11-25 |
| 5581345 | Confocal laser scanning mode interference contrast microscope, and method of measuring minute step height and apparatus with said microscope | Hiroshi Oki, Takashi SHIONOYA, Yutaka Iwasaki, Keiji MATSUURA | 1996-12-03 |
| 5504776 | Spread spectrum communication system and transmitter-receiver | Tomoya Yamaura, Katsuya Yamamoto, Etsumi Fujita | 1996-04-02 |
| 5452382 | Optical waveguide device and optical microscope using the same | Takashi SHIONOYA, Hiroshi Ohki, Masaaki Doi | 1995-09-19 |
| 5444689 | Detection of phase and amplitude modulation information on optical medium with a waveguide | Hiroshi Ohki, Rieko Arimoto, Yutaka Iwasaki | 1995-08-22 |
| 5416578 | Waveguide type wavelength measuring apparatus | Hiroshi Ohki | 1995-05-16 |
| 5389783 | Confocal laser scanning microscope with dual mode waveguide | Takashi SHIONOYA, Hiroshi Ohki | 1995-02-14 |
| 5347228 | BPSK demodulator using compound phase-locked loop | — | 1994-09-13 |
| 5321721 | Spread spectrum communication system and transmitter-receiver | Tomoya Yamaura, Katsuya Yamamoto, Etsumi Fujita | 1994-06-14 |