Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10768347 | Diffractive optical element and light irradiation device | Nobuhito Toyama, Hidenori Yoshioka | 2020-09-08 |
| 10704763 | Diffractive optical element and light irradiation apparatus | Nobuhito Toyama, Hidenori Yoshioka | 2020-07-07 |
| 10591133 | Diffractive optical element and light irradiation apparatus | Nobuhito Toyama, Hidenori Yoshioka | 2020-03-17 |
| 10570787 | Oil circulation system of internal combustion engine | — | 2020-02-25 |