Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12044919 | Light control device and light control sheet for changing haze and clarity | — | 2024-07-23 |
| 11640078 | Light control device | Norihiko Kaneko | 2023-05-02 |
| 5090258 | Multiple flow-dividing dilution tunnel system | Akira YAMASAKI, Yoshinaka Takeda, Izumi Fukano | 1992-02-25 |