Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11420410 | Sound absorbing body and sound absorbing structure | — | 2022-08-23 |
| 10717383 | Vehicle illumination device | Yasuhiro Watanabe, Hiroshi Ochiai, Atsushi Doi | 2020-07-21 |
| 10386566 | Vehicle cup-holder with illuminating light guide | Sachiko Koyama | 2019-08-20 |
| 10351056 | Illumination device | Sachiko Koyama | 2019-07-16 |
| 10071682 | Illumination device | Sachiko Koyama | 2018-09-11 |