Koyama; Kuniaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koyama; Kuniaki.The latest application filed is for "structure of a contact hole in a semiconductor device and method of manufacturing the same".
- Koyama; Kuniaki - Tokyo JP
- Koyama; Kuniaki - Mitoyo-gun JP
| Patent | Date |
|---|---|
| Structure of a contact hole in a semiconductor device and method of manufacturing the same Grant 6,197,682 - Drynan , et al. March 6, 2 | 2001-03-06 |
| Stabilized live vaccine Grant 6,039,958 - Koyama , et al. March 21, 2 | 2000-03-21 |
| Method of manufacturing a semiconductor memory device Grant 5,953,609 - Koyama , et al. September 14, 1 | 1999-09-14 |
| Stabilized live vaccine Grant 5,948,411 - Koyama , et al. September 7, 1 | 1999-09-07 |
| Semiconductor memory device and manufacturing method of the same Grant 5,939,746 - Koyama , et al. August 17, 1 | 1999-08-17 |
| Semiconductor device having improved coverage with increased wiring layers Grant 5,554,864 - Koyama September 10, 1 | 1996-09-10 |
| Semiconductor device having multi-level interconnection structure Grant 5,514,910 - Koyama May 7, 1 | 1996-05-07 |
| Semiconductor device having a capacitor Grant 5,486,713 - Koyama January 23, 1 | 1996-01-23 |
| Method of manufacturing semiconductor device Grant 5,447,883 - Koyama September 5, 1 | 1995-09-05 |
| MOS semiconductor device having high-capacity stacked capacitor Grant 5,068,698 - Koyama November 26, 1 | 1991-11-26 |
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