Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169621 | Ferroelectric memory device | Kazumasa Hasegawa, Eiji Natori, Takao Nishikawa, Tatsuya Shimoda | 2007-01-30 |
| 6913937 | Memory cell array having ferroelectric capacity, method of manufacturing the same and ferroelectric memory device | Eiji Natori, Kazumasa Hasegawa, Takao Nishikawa, Tatsuya Shimoda | 2005-07-05 |
| 6791863 | Ferroelectric memory device and method of manufacturing the same | Eiji Natori, Kazumasa Hasegawa | 2004-09-14 |
| 6727536 | Ferroelectric memory device | Kazumasa Hasegawa, Eiji Natori, Takao Nishikawa, Tatsuya Shimoda | 2004-04-27 |
| 6690598 | Ferroelectric memory device and method of manufacturing the same | Eiji Natori, Kazumasa Hasegawa | 2004-02-10 |
| 6617627 | Memory cell array having ferroelectric capacitors, method of fabricating the same, and ferroelectric memory device. | Eiji Natori, Kazumasa Hasegawa, Takao Nishikawa, Tatsuya Shimoda | 2003-09-09 |
| 4648691 | Liquid crystal display device having diffusely reflective picture electrode and pleochroic dye | Minoru Hosokawa, Satoru Yazawa, Mitsuo Nagata | 1987-03-10 |
| 4429305 | Liquid crystal display system | Minoru Hosokawa, Satoru Yazawa | 1984-01-31 |