Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998432 | Adhesive composition for skin and adhesive tape or sheet for skin comprising the composition | Katsuhiro Okada | 2006-02-14 |
| 6787681 | Adhesive sheet for application on skin and process for production thereof | Katsuhiro Okada | 2004-09-07 |
| 6372339 | Substrate film for adhesive sheet and adhesive sheet using the same | Katsuhiro Okada | 2002-04-16 |
| 5407892 | Carbonless copying paper | Shingo Tachizawa, Takeo Sugiyama | 1995-04-18 |
| 5288687 | Carbonless copying paper | Shingo Tachizawa, Takeo Sugiyama | 1994-02-22 |
| 5068067 | Emulsifier for microcapsules, microcapsules using said emulsifier and process for producing such microcapsules, and non-carbon pressure-sensitive copying paper using said microcapsules | Akira Kawai | 1991-11-26 |
| 4935172 | Method for producing microcapsules | Mamoru Ishiguro | 1990-06-19 |