Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11469408 | Electrode and secondary battery | Kazuhiko Inoue, Noboru YOSHIDA, Makihiro Otohata | 2022-10-11 |
| 10867196 | Alarm device | Toshihiko Kuno | 2020-12-15 |
| 10644347 | Negative electrode active material and lithium ion secondary battery using the same | Daisuke Kawasaki, Takashi Ohtsuka, Suguru TAMAI, Noboru YOSHIDA | 2020-05-05 |
| 10566660 | Film packaged battery | Kazuhiko Inoue, Makihiro Otohata | 2020-02-18 |
| 9052534 | Optical analog-to-digital converter, method of constructing the same, optical signal demodulator, and optical modulator-demodulator | Kenji Sato | 2015-06-09 |
| 8922410 | Optical intensity-to-phase converter, mach-zehnder interferometer, optical A/D converter, and method of constructing optical intensity-to-phase converter | Kenji Sato | 2014-12-30 |
| 8705980 | Optical modulation device and optical modulation method | Kenji Sato | 2014-04-22 |
| 8600198 | Semiconductor optical modulator, semiconductor optical integrated device, and method of manufacturing the same | Tomoaki Kato, Kenji Sato, Takao Morimoto | 2013-12-03 |
| 8457168 | Semiconductor laser, module and optical transmitter | Koji Kudo, Kenji Sato, Kenji Mizutani | 2013-06-04 |
| 8189631 | External resonator-type wavelength tunable laser device | Kenji Sato, Koji Kudo, Kenji Mizutani, Jan De Merlier | 2012-05-29 |
| 8144738 | External cavity wavelength tunable laser device and optical output module | Kenji Sato, Jan De Merli, Kenji Mizutani, Koji Kudo, Mads Loenstrup Nielsen | 2012-03-27 |
| 7991024 | External cavity wavelength tunable laser device and optical output module | Kenji Sato, Jan De Merli, Kenji Mizutani, Koji Kudo, Mads. L Nielsen | 2011-08-02 |
| 7454111 | Optical device of waveguide type and its production method | Kazuhiro Shiba, Koichi Naniwae, Koji Kudo | 2008-11-18 |