Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881217 | Method of making optically recorded information medium by exposure to ultraviolet light | — | 1989-11-14 |
| 4863264 | Photoanalysis apparatus with means for correcting flow rate of fluid carrying particles and/or position of applied light beam for examination and photoanalysis method therefor | Ryo Miyake, Isao Yamazaki | 1989-09-05 |