Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347151 | DRAM with memory cells having access transistor formed on solid phase epitaxial single crystalline layer and manufacturing method thereof | Masahiro Shimizu, Natsuo Ajika | 1994-09-13 |
| 5275960 | Method of manufacturing MIS type FET semiconductor device with gate insulating layer having a high dielectric breakdown strength | Masahiro Shimizu | 1994-01-04 |
| 5275629 | Semiconductor device manufacturing apparatus | Natsuo Ajika, Masahiro Shimizu | 1994-01-04 |
| 5270242 | Method for fabricatins dynamic random access memory device having a capacitor for storing impact ionization charges | Hidekazu Oda, Kiyoteru Kobayashi | 1993-12-14 |
| 5231038 | Method of producing field effect transistor | Masahiro Shimizu | 1993-07-27 |
| 5218217 | Dynamic random access memory device and method of manufacturing | Hidekazu Oda, Kiyoteru Kobayashi | 1993-06-08 |
| 5144393 | Structure for a PSD type field effect transistor | Masahiro Shimizu | 1992-09-01 |
| 5134452 | MIS type FET semiconductor device with gate insulating layer having a high dielectric breakdown strength | Masahiro Shimizu | 1992-07-28 |