Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860523 | Hermetic packaging apparatus | Iwao Teteishi, Yoshiyuki Ogura, Takeshi Hashimoto, Katsufumi Kajiyama, Fumiaki Shimizu +9 more | 1989-08-29 |
TR
Tuguyoshi Ritou
Overall (1989): #34,534 of 140,708Top 25%
1
Patents 1989