Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051948 | Content addressable memory device | Kiyoto Watabe, Hirofumi Shinohara, Takahisa Eimori, Natsuo Ajika, Yuichi Nakashima +1 more | 1991-09-24 |
| 5049975 | Multi-layered interconnection structure for a semiconductor device | Natsuo Ajika | 1991-09-17 |
| 5049516 | Method of manufacturing semiconductor memory device | — | 1991-09-17 |
| 4989054 | Non-volatile semiconductor memory device using contact hole connection | Natsuo Ajika | 1991-01-29 |
| 4988635 | Method of manufacturing non-volatile semiconductor memory device | Natsuo Ajika | 1991-01-29 |
| 4907198 | Semiconductor memory device | — | 1990-03-06 |
| 4866493 | Semiconductor memory device | Kiyoteru Kobayashi | 1989-09-12 |
| 4746377 | Semiconductor device with thermally oxidized insulating and arsenic diffusion layers | Kiyoteru Kobayashi | 1988-05-24 |
| 4465529 | Method of producing semiconductor device | Tadashi Nishimura, Masahiro Yoneda, Takaaki Fukumoto, Yoshihiro Hirata | 1984-08-14 |