Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404306 | Dielectric ceramic filter with improved electrical characteristics in high side of filter passband | Masahiko Kitajima, Hiroshi Nakamura | 2002-06-11 |
| 6377388 | Optical signal processor | Haruhisa Sakata, Masashi Usami, Munefumi Tsurusawa | 2002-04-23 |