Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966634 | Composition of the surface treatment for metal and the treatment method | Kenshi Saeki, Iwao Kawasaki, Yoshikazu Shikaze | 1990-10-30 |
| 4877688 | Ink-jet recording sheet | Hideaki Senoo, Takeshi Yamasaki, Yasuo Satoh | 1989-10-31 |