| | Patent Title | Expired: |
| 451. | Monostable ferroelectric liquid crystal display apparatus | 2006-08-20 |
| 452. | Process for producing solid image pickup device and solid image pickup device | 2006-08-20 |
| 453. | Tape cassette and tape cassette fabricating method | 2006-08-20 |
| 454. | Disc cartridge with improved shutter slide operation | 2006-08-20 |
| 455. | Recording apparatus and method, reproducing apparatus and method, and recording medium | 2006-08-20 |
| 456. | Chucking device for disc drive | 2006-08-20 |
| 457. | Video signal compressing method and apparatus, and compressed data multiplexing method and apparatus | 2006-08-20 |
| 458. | Data transmission method and apparatus | 2006-08-20 |
| 459. | Data input method, encoding apparatus, and data processing apparatus | 2006-08-20 |
| 460. | Robot failure diagnosing system | 2006-08-20 |
| 461. | Storage medium, robot, information processing device and electronic pet system | 2006-08-20 |
| 462. | Method of punching template for forming a base plate of a tape cassette | 2006-08-18 |
| 463. | Rotation position detecting device and motor device | 2006-08-18 |
| 464. | Method of and apparatus for solid state imaging device | 2006-08-18 |
| 465. | Methods and apparatus for interpolating picture information | 2006-08-18 |
| 466. | Apparatus which performs an ID operation simultaneously with a servo operation using a data recording medium with the ID area recorded immediately before the servo area | 2006-08-18 |
| 467. | Magnetic head having a recessed portion corresponding to a magnetic path and method of manufacturing the same | 2006-08-18 |
| 468. | Encryption method, encryption apparatus, recording method, decoding method, decoding apparatus and recording medium | 2006-08-18 |
| 469. | Mapping determination methods and data discrimination methods using the same | 2006-08-18 |
| 470. | Tone correcting apparatus for laser display system | 2006-08-16 |
| 471. | Semiconductor memory module | 2006-08-16 |
| 472. | Transmitter-receiver | 2006-08-16 |
| 473. | Digital processing apparatus for simultaneously processing two or more jobs by switching between two or more instruction address register | 2006-08-16 |
| 474. | Method of manufacturing thin film magnetic head | 2006-08-13 |
| 475. | Recording material and recording method | 2006-08-13 |
| 476. | Optical apparatus | 2006-08-13 |
| 477. | Disc cartridge | 2006-08-13 |
| 478. | Optical disc having narrow recording track relative to light spot diameter | 2006-08-13 |
| 479. | Image processing apparatus and method, and medium therefor | 2006-08-13 |
| 480. | Digital information recording/reproduction apparatus and digital information recording/reproduction method | 2006-08-13 |
| 481. | Antenna device and portable transceiver | 2006-08-13 |
| 482. | Recording medium device with memory terminals and shutter sized and shaped in relation thereto | 2006-08-11 |
| 483. | Data transmitting apparatus and data reproducing apparatus using format compatibility to achieve upward and downward compatibility | 2006-08-11 |
| 484. | Cassette discriminating member, cassette insertion guide, cassette ejecting mechanism for a cassette type recording and reproducing apparatus | 2006-08-11 |
| 485. | Optical disk error-correcting code system correlating error correction with sector address | 2006-08-11 |
| 486. | Optical disc | 2006-08-11 |
| 487. | Compiler system | 2006-08-11 |
| 488. | Image signal coding and decoding apparatus with multiple-process motion compensation | 2006-08-09 |
| 489. | Magnetic recording and/or reproducing apparatus having tape guide cylinder of reduced diameter and increased tape wrap angle | 2006-08-09 |
| 490. | Apparatus for selectively recording and/or reproducing a video signal with a PCM audio signal or with an FM audio signal | 2006-08-09 |
| 491. | Rotatable electrical connector for telephone cord | 2006-08-06 |
| 492. | Method of manufacturing semiconductor device | 2006-08-06 |
| 493. | Method for making an insulating film | 2006-08-06 |
| 494. | Cassette mounting and ejection mechanism | 2006-08-06 |
| 495. | Tape cassette reel-locking spring with connection portion bent downwardly at midway portion thereof | 2006-08-06 |
| 496. | Apparatus and method for digital data transmission | 2006-08-06 |
| 497. | Two-way information transmission system and two-way information transmission method | 2006-08-04 |
| 498. | Recording and reproducing apparatus having a tape tension changing mechanism | 2006-08-02 |
| 499. | Auditory playing device | 2006-08-02 |
| 500. | Method of determining conditions for plasma silicon nitride film growth and method of manufacturing semiconductor device | 2006-08-02 |
