Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11500140 | Polarizing plate and optical apparatus having tip portions with continuous curved surface | Kazuyuki Shibuya, Shigeshi Sakakibara, Toshiaki Sugawara, Akio Takada | 2022-11-15 |
| 11385389 | Polarizing plate having discontinuous water-repellent portion and manufacturing method thereof | Kazuyuki Shibuya, Shigeshi Sakabara, Toshiaki Sugawara, Akio Takada | 2022-07-12 |