Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9837597 | Piezoelectric sound-generating body and electronic device using the same | Shigeo Ishii, Yoshiyuki Watanabe | 2017-12-05 |
| 9196816 | Piezoelectric oscillation device with elastic body and touch panel having same | Shigeo Ishii, Yoshiyuki Watanabe | 2015-11-24 |
| 8884897 | Touch panel device and electronic device with improved haptic feedback | Shigeo Ishii, Yoshiyuki Watanabe | 2014-11-11 |
| 8669690 | Piezolelectric sound-generating device | Shigeo Ishii, Yoshiyuki Watanabe | 2014-03-11 |
| 7247976 | Piezoelectric vibrator | Humihisa Itoh, Shigeo Ishii, Yoshiyuki Watanabe | 2007-07-24 |
| 7180225 | Piezoelectric vibrator | Humihisa Itoh, Shigeo Ishii, Yoshiyuki Watanabe | 2007-02-20 |
| 6631062 | Electrically conductive ceramic material, a process of producing same, and an electrostatic chuck | Kazuyoshi Minamisawa, Hiroyuki Matsuo, Sari Endoh, Yukio Kishi, Kazunori Saitoh +5 more | 2003-10-07 |