Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806896 | Electromagnetic shield for electromagnetic apparatus | Yoshirou Shikano | 1989-02-21 |
SH
Shinichirou Hayashi
Overall (1989): #57,897 of 140,708Top 45%
1
Patents 1989