Issued Patents 1997
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699294 | Semiconductor memory device having bidirectional potential barrier switching element | Yohji Watanabe | 1997-12-16 |
| 5672891 | Semiconductor memory apparatus for a dynamic RAM and method for manufacturing the same | Takeshi Hamamoto, Yutaka Ishibashi | 1997-09-30 |
| 5671473 | Fusing device, a heating device, and a method for fusing a toner image onto a sheet | Mitsuru Isogai, Tetsuya Yamada, Satoru Yoneda | 1997-09-23 |
| 5666623 | Fusing belt type heat fusing device | Tetsuya Yamada, Mitsuru Isogai, Satoru Yoneda | 1997-09-09 |
| 5652040 | Magnetic recording medium | Naohiro Shoda | 1997-07-29 |
| 5635312 | Layer-built chemical cell device | Shuichi Yanagisawa, Taishi Tsuji, Fumio Matsui | 1997-06-03 |
| 5629539 | Semiconductor memory device having cylindrical capacitors | Masami Aoki, Tohru Ozaki, Hitomi Kawaguchiya | 1997-05-13 |