Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12074405 | Terminal block set including terminal blocks connected to each other | Hirotoshi Ishii, Tadahiko Ogawa, Takashi Sakaguchi, Yuki Kuniyasu | 2024-08-27 |
| 11870200 | Terminal block and terminal block set | Tadahiko Ogawa, Takashi Sakaguchi, Yuki Kuniyasu | 2024-01-09 |
| D937223 | Terminal block | Tadahiko Ogawa | 2021-11-30 |
| D926704 | Terminal block | Tadahiko Ogawa | 2021-08-03 |
| D923586 | Terminal block | Tadahiko Ogawa, Takashi Sakaguchi, Yuki Kuniyasu | 2021-06-29 |
| D910577 | Terminal block | Tadahiko Ogawa | 2021-02-16 |
| D847099 | Measuring device for monitoring the state of industrial machine | Takuya Nakada, Yukiyoshi Yamamoto, Shohei Shimahara, Koyuru Nakano, Tadahiko Ogawa | 2019-04-30 |