Issued Patents All Time
Showing 126–150 of 160 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6775464 | Video duplication control system, video playback device, video recording device, information superimposing and extracting device, and video recording medium | Akira Ogino, Takehiro Sugita | 2004-08-10 |
| 6731624 | Sync signal detection method and radio communication system | Takuji Maekawa | 2004-05-04 |
| 6683864 | Transmission method and transmission apparatus | — | 2004-01-27 |
| 6675969 | Packing box | Nobuyoshi Kiyohara, Eiji Kuriyama | 2004-01-13 |
| 6668163 | Wireless communication system and terminal device | — | 2003-12-23 |
| 6572759 | Method and apparatus for treating aqueous medium | Tatsuya Nishimura, Roberto Masahiro Serikawa, Oingquan Su, Masahiro Isaka | 2003-06-03 |
| 6563865 | Communication apparatus | — | 2003-05-13 |
| 6515960 | Radio communication system | Hisaki Hiraiwa, Takehiro Sugita | 2003-02-04 |
| 6510183 | Method and apparatus for superimposing and detecting an additional information signal | Nozomu Ikeda, Akira Ogino, Takehiro Sugita | 2003-01-21 |
| 6487363 | Video duplication control signal, video playback device, video recording device, information superimposing and extracting device and video recording medium | Akira Ogino, Takehiro Sugita | 2002-11-26 |
| 6467533 | Machine and method for continuous casting of steel | Toshihiko Murakami, Masahiko Oka, Hirohisa Kikuchi, Atsushi Murata | 2002-10-22 |
| 6453118 | Information transmission method, information duplication prohibiting method, information duplication prohibition device and information crevording medium | Takehiro Sugita, Akira Ogino | 2002-09-17 |
| 6430172 | Radio communication system, transmitting apparatus, radio communication control apparatus, receiving apparatus, and radio communication method | Hisaki Hiraiwa, Takehiro Sugita | 2002-08-06 |
| 6414630 | Position detection apparatus used for a mobile object | — | 2002-07-02 |
| 6414986 | Method and system for radio communication | — | 2002-07-02 |
| 6411664 | Correlation detecting apparatus, its detecting method and communication apparatus and its communication method | Hisaki Hiraiwa, Takehiro Sugita | 2002-06-25 |
| 6393077 | Correction detecting device and its method | — | 2002-05-21 |
| 6389220 | Information signal duplication control system | Takehiro Sugita, Akira Ogino | 2002-05-14 |
| 6389137 | VIDEO SIGNAL TRANSMITTING METHOD, VIDEO SIGNAL OUTPUT DEVICE, VIDEO SIGNAL RECEIVER, VIDEO ANTI-DUPLICATION CONTROL SYSTEM, ADDITIONAL INFORMATION SUPERIMPOSING AND EXTRACTING SYSTEM AND VIDEO SIGNAL RECORDING MEDIUM | Takehiro Sugita, Akira Ogino | 2002-05-14 |
| 6381402 | Information output device, information recording device, information duplication control system and recording medium of the same | Takehiro Sugita, Akira Ogino | 2002-04-30 |
| 6370320 | Information output device, information recording device, information duplication control system and recording medium of the same | Takehiro Sugita, Akira Ogino | 2002-04-09 |
| 6363909 | Direct-fuel-injection-type spark-ignition internal combustion engine and method of fuel injection | Terutoshi Tomoda, Mutsumi Kanda, Toshimi Kashiwagura | 2002-04-02 |
| 6330393 | Method and device for information anti-duplication | Takehiro Sugita, Akira Ogino | 2001-12-11 |
| 6237013 | Method and device for correlating detection, and communication terminal device | — | 2001-05-22 |
| 6195129 | Video signal transmission device, video signal output device, video signal reception device, video signal duplication control system, information superimposing/extraction device, and image recording medium | Akira Ogino, Takehiro Sugita | 2001-02-27 |