Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884182 | Current source power converting apparatus with overvoltage protection | Takeki Ando, Kiyoshi Nakamura, Toshisuke Mine, Hiromi Inaba, Toshiaki Kurosawa +1 more | 1989-11-28 |
| 4852694 | Elevator starting compensation method and apparatus | Noboru Arabori, Hideaki Takahashi, Kenji Yoneda | 1989-08-01 |
| 4853894 | Static random-access memory having multilevel conductive layer | Toshiaki Yamanaka, Norio Suzuki, Yoshifumi Kawamoto, Osamu Minato, Koichiro Ishibashi +2 more | 1989-08-01 |
| 4849801 | Semiconductor memory device having increased capacitance for the storing nodes of the memory cells | Shigeru Honjyo, Osamu Minato, Toshiaki Yamanaka, Katsuhiro Shimohigashi, Toshiaki Masuhara | 1989-07-18 |
| 4805147 | Stacked static random access memory cell having capacitor | Toshiaki Yamanaka, Tetsuya Hayashida, Osamu Minato, Katsuhiro Shimohigashi, Toshiaki Masuhara | 1989-02-14 |
| 4797717 | Semiconductor memory device | Koichiro Ishibashi, Osamu Minato, Toshiaki Masuhara, Toshiaki Yamanaka, Naotaka Hashimoto +4 more | 1989-01-10 |