Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513291 | Optical fiber cleaving apparatus and optical fiber cleaving method | — | 2022-11-29 |
| 11327230 | Optical fiber holder | Keitarou Koguchi, Ryuichiro Sato, Masataka Ishizuka | 2022-05-10 |
| 10551564 | Optical fiber holder and optical fiber cleaving apparatus to which optical fiber holder is attachable | Hiroshi Takayanagi | 2020-02-04 |
| 10338314 | Optical fiber cutting apparatus | Hiroshi Takayanagi, Yoshiyuki NISHIZAWA, Masahiro Hasegawa | 2019-07-02 |
| D817131 | Optical fiber cutter | Yoshiyuki NISHIZAWA | 2018-05-08 |