Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9958619 | Optical connector cleaning tool | Terumasa Kamouchi, Masayuki Murakami, Masaaki Konishi, Takenobu Hamano | 2018-05-01 |
| 6517254 | Collar member and ferrule | Yuukou Hata, Tarou Ueno, Hiroshi Fujita, Ryuji Takahashi | 2003-02-11 |