Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270660 | Speaker device and speaker unit | — | 2012-09-18 |
| 5619051 | Semiconductor nonvolatile memory cell | — | 1997-04-08 |
| 5596214 | Non-volatile semiconductor memory device having a metal-insulator-semiconductor gate structure and method for fabricating the same | — | 1997-01-21 |
| 4870475 | Semiconductor device and method of manufacturing the same | Tsuneo Hamaguchi | 1989-09-26 |
| 4637127 | Method for manufacturing a semiconductor device | Yukinori Kurogi, Kohetsu Tanno | 1987-01-20 |
| 4356223 | Semiconductor device having a registration mark for use in an exposure technique for micro-fine working | Yasuo Iida, Katumi Suzuki | 1982-10-26 |