Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7875905 | Semiconductor optical receiver device, optical receiver module, and method for manufacturing semiconductor optical receiver device | Takashi Toyonaka, Kazuhiro Komatsu | 2011-01-25 |
| 7833807 | Method of manufacturing semiconductor laser for communication, semiconductor laser for communication and optical transmission module | Masaru Mukaikubo, Hiroaki Inoue, Chiyuki Kitahara | 2010-11-16 |
| 7409113 | Semiconductor electro-absorption optical modulator, semiconductor electro-absorption optical modulator integrated laser, optical transmitter module and optical module | Seiji Sumi, Kazuhisa Uomi, Kazuhiko Naoe | 2008-08-05 |
| 7190872 | Semiconductor optical amplifier and optical module using the same | Kenji Uchida, Seiji Sumi | 2007-03-13 |
| 7127145 | Semiconductor optical amplifier, and optical module using the same | Kenji Uchida, Seiji Sumi | 2006-10-24 |
| 7108648 | Bundled sheets processing apparatus | Masakazu Itoya | 2006-09-19 |
| 7065341 | User authentication apparatus, controlling method thereof, and network system | Norio Ando, Joohai Ch'ng | 2006-06-20 |
| 6905449 | Bundled sheets processing apparatus and bundled sheets processing method | Masakazu Itoya | 2005-06-14 |
| 6637741 | Sheet processing unit | Takahiro Suzuki, Junichi Inoue | 2003-10-28 |
| 6254079 | Sheet processing unit | Takahiro Suzuki, Junichi Inoue | 2001-07-03 |