Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156985 | Method for making a charge transfer semiconductor device having an oblong trench | Takahiro Yamada | 1992-10-20 |
| 5091013 | Moisture holding pigment and a cosmetic containing such a pigment | Ryota Miyoshi, Isao Imai | 1992-02-25 |
| 4945068 | Manufacturing method of semiconductor nonvolatile memory device | — | 1990-07-31 |
| 4919922 | Polyolefin-treated pigment and cosmetics containing the same | Ryota Miyoshi, Isao Imai | 1990-04-24 |