Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6107580 | Omnidirectional response cable switch | Kyofu Hoshikawa, Seishiro Ishiwatari, Tadamitsu Sasaki | 2000-08-22 |
| 4617433 | Pressure-sensitive conductive strip switch assembly and a method of manufacturing the same | Kyofu Hoshikawa, Seishiro Ishiwatari | 1986-10-14 |