Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332952 | Quantum phase interference transistor | Ryuichi Ugajin | 1994-07-26 |
| 5306890 | Method of producing corrugated metal sheeting and method of producing honeycomb structure therefrom for carrying catalytic agents used for purifying exhaust gases | Katsuhiro Minamida, Motoi Kido, Atsushi Sugihashi, Masahi Oikawa, Naoya Hamada | 1994-04-26 |