Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874259 | Bearing device assembly | Nobuhiko Miyake, Souji Nishida | 1989-10-17 |
| 4864123 | Apparatus for detecting the level of an object surface | Hideo Mizutani, Masato Shibuya | 1989-09-05 |
| 4831592 | Nonvolatile semiconductor memory device | Hiroto Nakai, Hiroshi Iwahashi, Masamichi Asano, Shigeru Kumagai, Kazuto Suzuki | 1989-05-16 |
| 4819212 | Nonvolatile semiconductor memory device with readout test circuitry | Hiroto Nakai, Hiroshi Iwahashi, Masamichi Asano, Shigeru Kumagai, Kazuto Suzuki | 1989-04-04 |