Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872187 | X-ray tomographic imaging system and method | Kozo Nakahata, Toshimitsu Hamada, Mineo Nomoto | 1989-10-03 |
| 4814615 | Method and apparatus for detecting defect in circuit pattern of a mask for X-ray exposure | Satoru Fushimi, Asahiro Kuni, Hitoshi Kubota, Hiroya Koshishiba | 1989-03-21 |
| 4801639 | Flame-retardant olefinic resin composition | Kazuo Hoshi | 1989-01-31 |