Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008409 | Method for producing butene polymer | Koichi Sato, Tatsuya Chiba, Teruhisa Kuroki | 2021-05-18 |
| 10959615 | Eye-fatigue examining device and eye-fatigue examining method | Takashi Fujikado, Masakazu Hirota, Kohji Nishida, Makoto SAIKA, Suguru Miyagawa | 2021-03-30 |
| 10932664 | Ophthalmic device | Ryoichi HIROSE, Ikuo Ishinabe | 2021-03-02 |