Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865939 | Process for preparation of heat-sensitive diazo microcapsule recording material using pressure applying apparatus | Toshimasa Usami, Toshiharu Tanaka | 1989-09-12 |
TH
Takayuki Hayashi
Overall (1989): #53,633 of 140,708Top 40%
1
Patents 1989