Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414352 | Semiconductor device having an electronically insulating layer including a nitride layer | — | 2002-07-02 |
| 6274432 | Method of making contactless nonvolatile semiconductor memory device having buried bit lines surrounded by grooved insulators | — | 2001-08-14 |
| 6214669 | Single-chip contact-less read-only memory (ROM) device and the method for fabricating the device | — | 2001-04-10 |
| 6121670 | Single-chip contact-less read-only memory (ROM) device and the method for fabricating the device | — | 2000-09-19 |
| 6057574 | Contactless nonvolatile semiconductor memory device having buried bit lines surrounded by grooved insulators | — | 2000-05-02 |
| 6040234 | Method of manufacturing semiconductor device without bird beak effect | — | 2000-03-21 |
| 6010946 | Semiconductor device with isolation insulating film tapered and method of manufacturing the same | Kohji Kanamori | 2000-01-04 |
| 5946240 | Nonvolatile semiconductor memory device and method of manufacturing the same | — | 1999-08-31 |
| 5929480 | Nonvolatile semiconductor memory device having first and second floating gates | — | 1999-07-27 |
| 5923978 | Nonvolatile semiconductor memory and methods for manufacturing and using the same | — | 1999-07-13 |
| 5891775 | Method of making nonvolatile semiconductor device having sidewall split gate for compensating for over-erasing operation | — | 1999-04-06 |
| 5863822 | Method of making non-volatile semiconductor memory devices having large capacitance between floating and control gates | Kohji Kanamori | 1999-01-26 |