Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12242675 | Multi-way input device | Yasuji Hagiwara, Tetsuo Muranaka, Sadayuki Yaginuma | 2025-03-04 |
| 12088986 | Input device | Sadayuki Yaginuma, Tetsuo Muranaka, Yasuji Hagiwara | 2024-09-10 |
| 11740649 | Multidirectional input device | Masaru Komatsu, Sadayuki Yaginuma, Yasuji Hagiwara | 2023-08-29 |
| 11417478 | Multidirectional input apparatus with switch and multidirectional input system with switch | Sadayuki Yaginuma, Tetsuo Muranaka, Yasuji Hagiwara | 2022-08-16 |
| 11221640 | Multidirectional input device | Tetsuo Muranaka, Sadayuki Yaginuma, Yasuji Hagiwara | 2022-01-11 |
| 11042179 | Multidirectional input device | Tetsuo Muranaka, Sadayuki Yaginuma, Yasuji Hagiwara | 2021-06-22 |
| 9472355 | Oscillator-type switch | Masahiro Takata, Takahiro Murakami | 2016-10-18 |
| 6152627 | Keyboard device having plurality of keyswitches | Kazutoshi Watanabe, Tsuyoshi Narusawa, Yoshirou Koutaka | 2000-11-28 |
| 4830526 | Keyboard switch | — | 1989-05-16 |