Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9306670 | Optical coupling/splitting device, two-way optical propagation device, and optical-transmit-receive system | Kenichi Suzuki, Naoto Yoshimoto, Manabu Oguma, Toshio Watanabe, Hiroshi Takahashi +2 more | 2016-04-05 |
| 7474460 | Optical modulation apparatus | Junichi KANI, Koji Akimoto, Katsumi Iwatsuki | 2009-01-06 |
| 7336414 | Optical modulating device | Junichi KANI, Koji Akimoto, Katsumi Iwatsuki | 2008-02-26 |
| 7206510 | Ring network using multi-wavelength generator | Hiroo Suzuki, Mitsuhiro Teshima, Koji Akimoto, Shingo Kawai, Jun-ichi Kani +2 more | 2007-04-17 |
| 7127168 | Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter | Jun-ichi Kani, Katsuhiro Araya, Noboru Takachio, Koji Akimoto, Mitsuhiro Teshima +3 more | 2006-10-24 |
| 7106970 | Polarization scrambler and optical network using the same | Mitsuhiro Teshima, Noboru Takachio, Katsumi Iwatsuki | 2006-09-12 |
| 7068412 | Multi-wavelength generating method and apparatus based on flattening of optical spectrum | Katsuhiro Araya, Mitsuhiro Teshima, Junichi KANI, Kenichi Suzuki | 2006-06-27 |
| 7031614 | Polarization scrambler and optical network using the same | Mitsuhiro Teshima, Noboru Takachio, Katsumi Iwatsuki | 2006-04-18 |
| 6959152 | Polarization scrambler and optical network using the same | Mitsuhiro Teshima, Noboru Takachio, Katsumi Iwatsuki | 2005-10-25 |
| 6924924 | Multi-wavelength generating method and apparatus based on flattening of optical spectrum | Katsuhiro Araya, Mitsuhiro Teshima, Junichi KANI, Kenichi Suzuki | 2005-08-02 |
| 6831774 | Multi-wavelength generating method and apparatus based on flattening of optical spectrum | Katsuhiro Araya, Mitsuhiro Teshima, Junichi KANI, Kenichi Suzuki | 2004-12-14 |
| 6359724 | Light generation method and light source | Yoshitada Katagiri, Shinji Nagaoka, Fumikazu Ohira, Ken Suzuki, Noboru Takachio | 2002-03-19 |
| 5797778 | Mounting arrangement for marine propulsion engine | Ryoichi Ito | 1998-08-25 |