Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253717 | Fiber cutter and fiber cutting method | Takaharu Matsuda, Guan Huang, Ryo Koyama, Masaaki Takaya, Chisato FUKAI | 2025-03-18 |
| 12199665 | Optical monitor device | Ryo Koyama, Masaaki Takaya | 2025-01-14 |
| 12169309 | Multi-fiber optical connector and optical fiber connection method | Yasunari Tanaka, Ryo Koyama, Masaaki Takaya, Chisato FUKAI | 2024-12-17 |
| 11740414 | Multifiber optical connector and optical cable connection method | Masaaki Takaya, Kazunori KATAYAMA, Ryo Koyama, Chisato FUKAI, Yusuke Yamada | 2023-08-29 |
| 11644627 | Optical connector cleaning tool and optical connector cleaning method | Chisato FUKAI, Masaaki Takaya, Ryo Koyama | 2023-05-09 |
| 11543612 | Connector plug, connector insertion method, and a connector removal method | Masaaki Takaya, Ryo Koyama, Chisato FUKAI, Kazunori KATAYAMA | 2023-01-03 |
| 11474303 | Optical connector ferrule, sleeve, and method for manufacturing ferrule member | Masaaki Takaya, Ryo Koyama, Chisato FUKAI, Kazunori KATAYAMA, Kazuhide NAKAJIMA +1 more | 2022-10-18 |
| 11454757 | Multi-core fiber connector | Taiji SAKAMOTO, Kazuhide NAKAJIMA | 2022-09-27 |
| 8226302 | Optical connector | Masaru Kobayashi, Ryo Nagase, Yuichi Koreeda | 2012-07-24 |
| 7641397 | Optical connector | Yuichi Koreeda, Akihiro Onogawa, Masaru Kobayashi, Ryou Nagase, Masahiro Tsuchida +1 more | 2010-01-05 |
| 7397977 | Wave transmission medium and waveguide circuit | Toshikazu Hashimoto, Ikuo Ogawa, Takeshi Kitagawa, Senichi Suzuki, Masahiro Yanagisawa +8 more | 2008-07-08 |
| 7295746 | Optical connector which can be disassembled and disassembling tool suitable to disassemble the same | Yuichi Koreeda, Makoto Sanguu, Kiyoyuki Mutaguchi, Masaru Kobayashi, Ryou Nagase | 2007-11-13 |
| 7261471 | Optical connector having shielding mechanism | Masahiro Tsuchida, Masaru Kobayashi, Ryo Nagase, Koichi Arishima, Yuichi Koreeda +1 more | 2007-08-28 |
| 7241057 | Optical connector apparatus having a light shielding device of a simple structure | Yuichi Koreeda, Masaru Kobayashi, Ryou Nagase | 2007-07-10 |
| 7149401 | Optical fiber connector disassembling tool | Yuichi Koreeda, Makoto Sanguu, Kiyoyuki Mutaguchi, Masaru Kobayashi, Ryou Nagase | 2006-12-12 |
| 6811319 | Optical connector | Masahiro Tsuchida, Masaru Kobayashi | 2004-11-02 |