Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702764 | Method for the preparation of pyrolytic boron nitride-clad double-coated article | Ryouji Iwai | 1997-12-30 |
| 5682367 | Optical data storage and retrieval system and method | Ronald G. Vitullo, Yasuhiro Yamazaki | 1997-10-28 |
| 5674317 | Vessel made from pyrolytic boron nitride | Kenji Itou | 1997-10-07 |
| 5659535 | Method for retrieving data from a storage device | Wen-Yung Yeh | 1997-08-19 |
| 5644966 | Pressure regulating circuit | — | 1997-07-08 |
| 5607775 | Article for use under high vacuum at high temperature | Ryouji Iwai, Kazuhito Hirata | 1997-03-04 |