Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10073193 | Optical element | Koki Hongo, Kei Shinotsuka, Kotaro DAI | 2018-09-11 |
| 8883249 | Method of producing a perpendicular magnetic recording medium | Toshiaki Tachibana, Takahiro Onoue | 2014-11-11 |