Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819857 | Method for fabricating composite structure | Masahide Tokuda, Katuaki Chiba | 1989-04-11 |
| 4812002 | Optical coupling device and method of making the same | Takeshi Kato, Katuaki Chiba | 1989-03-14 |