Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8600198 | Semiconductor optical modulator, semiconductor optical integrated device, and method of manufacturing the same | Shinya Sudo, Tomoaki Kato, Kenji Sato | 2013-12-03 |
| 8390090 | Semiconductor device and method of manufacturing the same | — | 2013-03-05 |
| 8045580 | Band control method and communication apparatus | Yasuhiro Hamada, Keiichi Ohata, Kenichi Maruhashi, Masaharu Ito, Shuya Kishimoto | 2011-10-25 |
| 7710216 | Balun circuit and integrated circuit device | Yasuhiro Hamada, Keiichi Ohata, Kenichi Maruhashi, Masaharu Itou, Shuuya Kishimoto | 2010-05-04 |
| 6751179 | Disk unit with rollers | Tatsunori Fujiwara, Kazutoshi Taniguchi, Shigeki Asai, Takaharu Eguchi | 2004-06-15 |
| 6584055 | Disk device for disks having different sizes | Masao Sato, Tatsunori Fujiwara | 2003-06-24 |
| 6538970 | Disk device for loading and ejecting disks | Tatsunori Fujiwara, Masao Sato | 2003-03-25 |
| 6495384 | Method for manufacturing diffraction grating and method for manufacturing semiconductor laser | Yoshiharu Muroya | 2002-12-17 |
| 6469972 | Disk device for disks of different sizes | Masao Sato, Tatsunori Fujiwara | 2002-10-22 |
| 6434102 | Disk device | Tatsunori Fujiwara, Masao Sato | 2002-08-13 |
| 6430145 | Disk supporting device | Tatsunori Fujiwara, Masaki Kobayashi | 2002-08-06 |
| 6392982 | Corner part reinforcing device of disc device chassis | Masaki Kobayashi | 2002-05-21 |
| 6332715 | Bearing device | Takashi Kuzuu | 2001-12-25 |
| 6185064 | Tape player having a cam and a mode detecting gear | Yasuyuki Nakanishi, Kenichirou Minemoto, Takashi Matsuda | 2001-02-06 |
| 6149090 | Tape player | Yasuyuki Nakanishi, Kenichirou Minemoto, Takashi Matsuda | 2000-11-21 |
| 6081494 | Disc recording and reproducing apparatus having a drive mechanism for loading and ejecting a disc cartridge | Shigeki Asai, Takayuki Niioka, Tatsunori Fujiwara | 2000-06-27 |
| 6078553 | Disc cartridge loading and unloading apparatus with shutter opening structure | Takayuki Niioka, Tatsunori Fujiwara, Shigeki Asai | 2000-06-20 |
| 5986849 | Tape player having a cam and a mode detecting gear | Yasuyuki Nakanishi, Kenichirou Minemoto, Takashi Matsuda | 1999-11-16 |
| 5974017 | Disc cartridge loading and unloading apparatus | Takayuki Niioka, Tatsunori Fujiwara, Shigeki Asai | 1999-10-26 |
| 5917846 | Optical Semiconductor device with carrier recombination layer | — | 1999-06-29 |
| 5898658 | Disc cartridge loading and unloading apparatus with a holder and holder arm | Takayuki Niioka, Tatsunori Fujiwara, Shigeki Asai | 1999-04-27 |
| 5881040 | Disc device with slider contact prevention mechanism | Takayuki Niioka, Tatsunori Fujiwara, Shigeki Asai | 1999-03-09 |
| 5753933 | Optical semiconductor device | — | 1998-05-19 |
| 5748406 | Rotational driving apparatus for disks having a magnet disposed on a motor mounting base surface to absorb radial deflections | Tatsunori Fujiwara | 1998-05-05 |
| 5733982 | Carbonate group-modified epoxy resin, a process for the preparation thereof, and a heat-curable resin composition | Takaaki Fujiwa, Takeharu Tabuchi, Hideki Matsui, Shinji Nakano, Shin-ya Yamada | 1998-03-31 |