Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988497 | Optical unit and film thickness measurement device | Ikuo Arata, Kenichi Ohtsuka | 2024-05-21 |
| 11921277 | Image acquisition device and image acquisition method | — | 2024-03-05 |
| 11479399 | Container and method for manufacturing container | Makiko Takahashi, Kaoru Watanabe, Hiroshi Ishikawa | 2022-10-25 |
| 6693870 | Optical pickup device with high-frequency superposition circuit | Mio Koga, Tatsuya Ito | 2004-02-17 |