Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885058 | Inorganic paper and method for its manufacture | Kiyoshi Hani, Minekazu Kodama, Takahiko Watanabe | 1989-12-05 |
TT
Takako Takei
Overall (1989): #52,227 of 140,708Top 40%
1
Patents 1989