Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11594398 | Apparatus and method for plasma processing | Yusuke Aoki, Fumiya TAKATA, Toshikatsu TOBANA, Shinya Morikita, Jun Abe +1 more | 2023-02-28 |
| 11251048 | Plasma processing method and plasma processing apparatus | Yusuke Aoki, Toshikatsu TOBANA, Fumiya TAKATA, Shinya Morikita, Jun Abe +1 more | 2022-02-15 |
| 11170979 | Plasma etching method and plasma etching apparatus | Koichi Nagami, Tatsuro Ohshita, Takashi Dokan, Koji Maruyama, Kazuya Nagaseki +1 more | 2021-11-09 |
| 10615005 | Plasma generating method | Koichi Nagami, Tadashi Gondai, Norikazu Yamada, Naoyuki Umehara | 2020-04-07 |
| 10553407 | Plasma processing method and plasma processing apparatus | Koichi Nagami, Tatsuro Ohshita, Takashi Dokan, Koji Maruyama, Kazuya Nagaseki +1 more | 2020-02-04 |
| 8923526 | Audio device | Masaya Kano, Toshihito Uchiyama, Kunihiro Kumagai | 2014-12-30 |
| RE39811 | Musical information recording and reproducing technique for use with a recording medium having a UTOC area | Mikio Ogusu, Kei Tanaka | 2007-09-04 |
| 7092331 | Reproduction of audio data from recording medium | Tadashi Sugiyama, Sadayuki Narusawa | 2006-08-15 |
| 6891782 | Optical disk recording apparatus having push-pull signal processing circuit, wobble extraction circuit and pre-pit detection circuit | Minoru Saito, Kazuhiko Honda | 2005-05-10 |
| 6757231 | METHODS FOR IDENTIFYING ERRONEOUS DETECTION OF PRE-PIT SYNCHRONIZATION BIT ON OPTICAL DISC AND IDENTIFYING STABILITY/INSTABILITY OF PRE-PIT SYNCHRONIZATION BIT DETECTION, AND ELECTRIC CIRCUITS THEREFOR | — | 2004-06-29 |
| 5784349 | Musical information recording and reproducing technique for use with a recording medium | Mikio Ogusu, Kei Tanaka | 1998-07-21 |
| 5602811 | Musical information recording and reproducing technique for use with a recording medium having a UTOC area | Mikio Ogusu, Kei Tanaka | 1997-02-11 |
| 5590100 | Information recording/reproducing technique to record plural-channel information for subsequent simultaneous reproduction | Mikio Ogusu | 1996-12-31 |
| 5559785 | Optimum recording laser power control by testing an EFT signal's asymmetry with a frame synchronization circuit | Kazuhiko Honda, Katsuichi Osakabe | 1996-09-24 |