Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422628 | Optical waveguide element, and optical modulation device and optical transmission apparatus using same | Shotaro HIRATA, Yu Kataoka | 2025-09-23 |
| 12399413 | Optical waveguide element and optical modulator | Kenta OISHI, Yu Kataoka | 2025-08-26 |
| 12332534 | Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus | Shotaro HIRATA, Masayuki Motoya, Kosuke OKAHASHI, Yu Kataoka | 2025-06-17 |
| 12204185 | Optical waveguide element and optical modulator | Kosuke OKAHASHI | 2025-01-21 |
| 11977284 | Optical waveguide device, manufacturing method of optical modulation element, optical modulator, optical modulation module, and optical transmission apparatus | Masayuki Motoya, Shotaro HIRATA, Kosuke OKAHASHI, Yu Kataoka | 2024-05-07 |
| 11656487 | Optical waveguide element, and optical modulation device and optical transmission apparatus using optical waveguide element | Yu Kataoka, Norikazu Miyazaki | 2023-05-23 |
| 11397342 | Optical modulator | Takatomo Itou, Yoshizumi Ishikawa | 2022-07-26 |
| 11378828 | Optical waveguide device | Yu Kataoka, Shoutarou HIRATA | 2022-07-05 |
| 10892107 | Method for producing titanium oxide particles, titanium oxide particles, dispersion solution of titanium oxide particles, titanium oxide paste, titanium oxide film, and dye-sensitized solar cell | Teppei YAKUBO | 2021-01-12 |
| 10598849 | Optical device having EO polymer core and specially-polymerized clad | Yuki KUGIMOTO, Yoshizumi Ishikawa | 2020-03-24 |
| 10468197 | Porous semiconductor layer, paste for porous semiconductor layer, and dye-sensitized solar cell | Teppei YAKUBO | 2019-11-05 |
| 10088698 | Optical device | Yoshizumi Ishikawa | 2018-10-02 |
| 9076598 | Paste for dye-sensitized solar cell, transparent insulation film for dye-sensitized solar cell, dye-sensitized solar cell, and dye-sensitized solar cell fabrication method | Liyuan Han, Ryohsuke Yamanaka, Nobuhiro Fuke, Atsushi Fukui, Gaku Fujihashi | 2015-07-07 |