Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870729 | Method of making a noise filter | — | 1989-10-03 |
| 4866407 | Noise filter and method of making the same | — | 1989-09-12 |
| 4847575 | Noise filter having multiple layers rolled into an elliptical shape | — | 1989-07-11 |
| 4816366 | Process for producing toner through suspension polymerization | Yoshihiko Hyosu, Hitoshi Kanda, Hiromi Mori, Hiroaki Kawakami, Kuniko Kobayashi | 1989-03-28 |
| 4802760 | Raman microprobe apparatus for determining crystal orientation | Yasuo Inoue | 1989-02-07 |