Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12332489 | Opto-electronic integrated module | Kiyofumi Kikuchi, Ken Tsuzuki | 2025-06-17 |
| 12248181 | Optical module | Takashi Yamada, Yusuke Nasu, Yuichiro Ikuma | 2025-03-11 |
| 12099266 | Optical circuit with common ground configuration for resistors and thermo-optic phase shifters | Kiyofumi Kikuchi, Ken Tsuzuki, Yusuke Nasu, Yuichiro Ikuma, Kotaro Takeda | 2024-09-24 |
| 12055765 | Optical module | Takashi Yamada, Yusuke Nasu | 2024-08-06 |
| 11592629 | Optical module | Yusuke Nasu, Kiyofumi Kikuchi, Shunichi Soma | 2023-02-28 |
| 11567275 | Optical module | Yusuke Nasu, Kiyofumi Kikuchi, Shunichi Soma | 2023-01-31 |
| 10890787 | Optical modulator | Ken Tsuzuki, Kiyofumi Kikuchi | 2021-01-12 |
| 10852618 | Optical modulator having interconnecting ground electrodes for coplanar waveguides | Ken Tsuzuki | 2020-12-01 |
| 10601522 | Optical receiver | Toshihiro Itoh, Kiyofumi Kikuchi, Ken Tsuzuki, Hiroshi Fukuda, Shin Kamei | 2020-03-24 |