Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12242675 | Multi-way input device | Kunio HOSONO, Yasuji Hagiwara, Tetsuo Muranaka | 2025-03-04 |
| 12088986 | Input device | Kunio HOSONO, Tetsuo Muranaka, Yasuji Hagiwara | 2024-09-10 |
| 11740649 | Multidirectional input device | Kunio HOSONO, Masaru Komatsu, Yasuji Hagiwara | 2023-08-29 |
| 11417478 | Multidirectional input apparatus with switch and multidirectional input system with switch | Kunio HOSONO, Tetsuo Muranaka, Yasuji Hagiwara | 2022-08-16 |
| 11221640 | Multidirectional input device | Tetsuo Muranaka, Kunio HOSONO, Yasuji Hagiwara | 2022-01-11 |
| 11042179 | Multidirectional input device | Tetsuo Muranaka, Kunio HOSONO, Yasuji Hagiwara | 2021-06-22 |
| 6909062 | Key-switch device corresponding to miniaturized notebook-size personal computer with reduced-thickness | Tsuyoshi Narusawa, Kazuhiro Yakoyama, Takayuki Ito | 2005-06-21 |
| 6777634 | Key-switch device corresponding to miniaturized notebook-size personal computer with reduced-thickness | Tsuyoshi Narusawa, Kazuhiro Yakoyama, Takayuki Ito | 2004-08-17 |