Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11916547 | Semiconductor relay device | Yukihiro Takifuji, Keita Saito, Kazuki Tanaka | 2024-02-27 |
| 11688823 | Photocoupler | Mami Fujihara, Yoshio Noguchi | 2023-06-27 |
| 11609373 | Optical coupling device | Mami Fujihara, Kazuki Tanaka | 2023-03-21 |
| 11476850 | Semiconductor relay device | Yukihiro Takifuji, Keita Saito, Kazuki Tanaka | 2022-10-18 |
| 11462525 | Optical coupling device and high frequency device | Mami Fujihara, Kazuki Tanaka, Takenori Yasuzumi, Yoshio Noguchi, Tsuyoshi Tokiwa | 2022-10-04 |
| 11094681 | Photocoupler and packaging member thereof | Keita Saito | 2021-08-17 |
| 10833055 | Semiconductor device and optical coupling device | — | 2020-11-10 |
| 10115714 | Semiconductor device and optical coupling device | — | 2018-10-30 |
| 10107857 | Optical coupling device | — | 2018-10-23 |
| 9450134 | Photocoupler | Eiji Nakashima | 2016-09-20 |
| 9379095 | Photocoupler | Yoshio Noguchi, Mami Yamamoto | 2016-06-28 |
| 9099602 | Photocoupler | Yoshio Noguchi, Mami Yamamoto | 2015-08-04 |