Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869570 | Fiber coupler and method and apparatus for manufacturing the same | Itaru Yokohama, Kazunori Chida, Juichi Noda, Hiroaki Hanafusa, Mitsuhiro Tateda | 1989-09-26 |
| 4861254 | Cassette-type molding die | Hiroshi Takeuchi | 1989-08-29 |
| 4856034 | Semiconductor integrated circuit | Kaoru Nakagawa | 1989-08-08 |