Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905251 | Optical connector cleaning tool | Takaaki Ishikawa, Yuwa Tanaka | 2005-06-14 |
| 6866424 | Optical connector with shutter | Yuwa Tanaka, Takaaki Ishikawa | 2005-03-15 |
| 6865329 | Optical connector cleaning instrument and optical connector cleaning method | Takaaki Ishikawa, Kazuhiro Takizawa | 2005-03-08 |