Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865918 | Sandwich structures having improved impact resistance | Hideo Takeichi, Masashi Segawa, Toshio Honda | 1989-09-12 |
IT
Itsuo Tanuma
Overall (1989): #101,937 of 140,708Top 75%
1
Patents 1989