Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11711030 | Driving device, tactile sensation providing apparatus, and driving method | Shigeo Ishii, Sumiaki Kishimoto, Hiroyuki Shimizu, Takayuki Goto | 2023-07-25 |
| 11633761 | Driving apparatus, vibration generating apparatus, electronic apparatus, and driving method | Shigeo Ishii, Takayuki Goto, Sumiaki Kishimoto, Hiroyuki Shimizu | 2023-04-25 |
| 5648105 | Apparatus for making a plurality of optical record disc subtrates | Seiki Shimazu, Kenji Yamaga, Yoshimi Sakai, Atsushi Koyama | 1997-07-15 |
| 5458821 | Method of making a plurality of optical record disc substrates | Seiki Shimazu, Kenji Yamaga, Yoshimi Sakai, Atsushi Koyama | 1995-10-17 |