Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7243390 | Cleaning unit for optical connector and cleaning tool for optical connector | Kunihiko Fujiwara, Takaaki Ishikawa | 2007-07-17 |
| 7212719 | Optical connector cleaning tool, cleaning tape, optical connector cleaning method, optical component cleaning tool | Kunihiko Fujiwara, Takaaki Ishikawa, Hiroshi Furukawa | 2007-05-01 |
| 7144163 | Optical connector with shutter, shutter unit, and inner piece | Kunihiko Fujiwara, Takaaki Ishikawa | 2006-12-05 |
| 6905251 | Optical connector cleaning tool | Kunihiko Fujiwara, Takaaki Ishikawa | 2005-06-14 |
| 6866424 | Optical connector with shutter | Kunihiko Fujiwara, Takaaki Ishikawa | 2005-03-15 |