Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9011760 | Hardening device | Junji Minoue, Hiroko Watanabe, Hideo Miyashita | 2015-04-21 |
| 8569664 | Hardening method and hardening device | Junji Minoue, Hiroko Watanabe, Hideo Miyashita | 2013-10-29 |
| 8073039 | Reception apparatus using spread spectrum communication scheme | — | 2011-12-06 |
| 7984223 | Information device including main processing circuit, interface circuit, and microcomputer | Hideo Nagano, Kikuo Muramatsu, Tomoko Ando, Motoki Higashida, Takahiko Arakawa +1 more | 2011-07-19 |
| 7873100 | Reception apparatus using spread spectrum communication scheme | — | 2011-01-18 |
| 7716410 | Information device including main processing circuit, interface circuit, and microcomputer | Hideo Nagano, Kikuo Muramatsu, Tomoko Ando, Motoki Higashida, Takahiko Arakawa +1 more | 2010-05-11 |
| 7137130 | Pickup device with heat-radiating mechanism | Masaya Murata, Yuichi Mizuuchi, Takehiko Hayashi, Tsuyoshi Iwano | 2006-11-14 |
| 7124420 | Pickup device having a heat-radiation path | Masaya Murata, Yuichi Mizuuchi, Takehiko Hayashi, Tsuyoshi Iwano | 2006-10-17 |
| 6944218 | Adaptive filter having a small circuit scale with a low power consumption and tap-coefficients updating method of adaptive filter | — | 2005-09-13 |
| 6912234 | Optical pickup apparatus and laser diode chip | Shinichi Takahashi, Hirokatsu Nagatake, Aki Yoshioka, Mitsutoshi Sugano, Ko Ishii +2 more | 2005-06-28 |
| 6845078 | Optical pickup apparatus | Hitoshi Furuhata, Tomotaka Nishimura | 2005-01-18 |
| 6633966 | FIFO memory having reduced scale | — | 2003-10-14 |
| 6480456 | Optical pickup apparatus for reading different types of recording media at different reading wavelengths | Makoto Kawamura, Shinichi Takahashi, Hirokatsu Nagatake, Aki Yoshioka, Mitsutoshi Sugano +2 more | 2002-11-12 |
| 6452880 | Optical pickup apparatus | Makoto Kawamura, Shinichi Takahashi, Hirokatsu Nagatake, Aki Yoshioka, Mitsutoshi Sugano +2 more | 2002-09-17 |
| 6429981 | Optical pickup apparatus | Ko Ishii, Shinichi Takahashi, Mitsutoshi Sugano, Hirokatsu Nagatake, Aki Yoshioka +2 more | 2002-08-06 |
| 6381723 | Error correction device for correcting error in input symbol string | — | 2002-04-30 |
| 6209109 | Code synchronization decision circuit of Viterbi decoder | Michiru Hori | 2001-03-27 |
| 6172779 | Optical pickup device including a hologram lens section with an oval diffraction grating pattern | Shinichi Takahashi | 2001-01-09 |
| 6160646 | Optical pickup device including a holographic lens section with a double side cut circular diffraction grating pattern | Shinichi Takahashi | 2000-12-12 |
| 6094741 | Viterbi decoding apparatus, method for controlling slip state of convolutional code in viterbi decoding apparatus, and slip state control apparatus | Michiru Hori | 2000-07-25 |
| 6067605 | Bidirectional transfer type storage and method for controlling input and output of memory | Naohiro Kobayashi | 2000-05-23 |
| 6055076 | Optical pickup device including a hologram lens section with an ellipsoidal diffraction grating pattern concentrically and symmetrically formed with respect to an optical axis | Shinichi Takahashi | 2000-04-25 |
| 6047004 | Synchronizing device with head word position verification | — | 2000-04-04 |
| 5991913 | Error correcting device | Naohiro Kobayashi | 1999-11-23 |
| 5914897 | FIFO memory device having address detection portion | Michiru Hori | 1999-06-22 |