Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887662 | Cooling drum for continuous-casting machines for manufacturing thin metallic strip | Shigenori Tanaka, Michiya Hayashida, Kenichi Hara, Keiichi Yamamoto, Hikotaro Itani +5 more | 1989-12-19 |
| 4800530 | Semiconductor memory system with dynamic random access memory cells | Fumio Horiguchi, Shigeyoshi Watanabe, Kazunori Ohuchi, Mitsugi Ogura | 1989-01-24 |
| 4799193 | Semiconductor memory devices | Fumio Horiguchi, Mitsugi Ogura, Masaki Momodomi | 1989-01-17 |