Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853418 | Polyurethane emulsion, sheet-like porous material making use of the emulsion and production process of the material | Kazuyuki Hanada, Iwao Misaizu, Tomoko Goto, Katsumi Kuriyama | 1989-08-01 |
| 4837198 | Heat-sensitive recording medium | Katsumi Kuriyama, Kazuyuki Hanada, Susumu Nakamura, Iwao Misaizu, Tomoko Goto | 1989-06-06 |