Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860523 | Hermetic packaging apparatus | Iwao Teteishi, Yoshiyuki Ogura, Takeshi Hashimoto, Tuguyoshi Ritou, Katsufumi Kajiyama +9 more | 1989-08-29 |
TY
Takashi Yoshikawa
Overall (1989): #51,929 of 140,708Top 40%
1
Patents 1989