Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825461 | Data communication apparatus for data and/or speech communication on a plurality of communication lines | Kenji Kurita, Toshihiko Nakazawa | 1989-04-25 |
| 4806987 | Projection-exposing apparatus | Takashi Mori, Tsutomu Takai, Masaichi Murakami, Kyoichi Suwa | 1989-02-21 |
| 4798962 | Multi-wavelength projection exposure and alignment apparatus | Yutaka Suenaga, Makoto Uehara, Kiyoyuki Muramatsu | 1989-01-17 |
| 4795244 | Projection type exposure apparatus | Makoto Uehara, Yutaka Suenaga, Kiyoyuki Muramatsu | 1989-01-03 |