Issued Patents 1989
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890262 | Semiconductor memory with built-in defective bit relief circuit | Tadashi Tachibana | 1989-12-26 |
| 4888736 | Semiconductor memory device using stored capacitor charge for writing data | Masayoshi Nomura | 1989-12-19 |
| 4883800 | Quinazoline derivatives and process for their production | Teruo Oku, Yoshikuni Ito, Takayuki Namiki, Kozo Sawada, Chiyoshi Kasahara +1 more | 1989-11-28 |
| 4882710 | FIFO memory including dynamic memory elements | Sasaki Kenji, Masayoshi Nomura | 1989-11-21 |
| 4875212 | Memory device with integrated error detection and correction | — | 1989-10-17 |
| 4861774 | Method of treating tumors using tetracyclo compounds | Masanobu Kohsaka, Hiroshi Terano, Tadaaki Komori, Morita Iwami, Michio Yamashita +2 more | 1989-08-29 |
| 4862413 | Semiconductor ROM with reduced supply voltage requirement | Tadashi Tachibana | 1989-08-29 |
| 4857513 | Diphosphonic acid compounds, processes for the preparation thereof and pharmaceutical composition comprising the same | Teruo Oku, Eishiro Todo, Chiyoshi Kasahara, Katsuya Nakamura, Hiroshi Kayakiri | 1989-08-15 |
| RE32992 | Peptide process for preparation thereof and use thereof | Yoshio Kuroda, Eiko Iguchi, Masanobu Kohsaka, Hatsuo Aoki, Hiroshi Imanaka +7 more | 1989-07-18 |
| 4849248 | Ion implantation method for making silicon-rich silicon dioxide film | — | 1989-07-18 |
| 4829478 | ROM amplifier device | — | 1989-05-09 |
| 4806538 | Piperazine compound as PAF-antagonist | Norihiko Shimazaki, Keiji Hemmi, Osamu Nakaguti, Yoshio Miyazaki | 1989-02-21 |
| 4801580 | Peptide, process for preparation thereof and use thereof | Yoshihiko Kitaura, Osamu Nakaguchi, Keiji Hemmi, Matsuhiko Aratani, Hidekazu Takeno +7 more | 1989-01-31 |
| 4797725 | Memory cell for SRAM with a dielectric layer over a gate electrode to provide a parallel resistive and capacitive element | — | 1989-01-10 |