Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11981595 | Burner for producing glass fine particle deposited body, and device and method for producing glass fine particle deposited body | — | 2024-05-14 |
| 11912607 | Raw material supply device for production of glass fine particle deposits and raw material supply method | — | 2024-02-27 |
| 9291784 | Sealing component, optical device sealing structure, method for producing sealing component, and method for producing optical device sealing structure | Hiroshi Kohda, Dai Sasaki | 2016-03-22 |
| 7234881 | MOLDING APPARATUS FOR A REINFORCEMENT RESIN COATING OF GLASS OPTICAL FIBER EXPOSING PORTION OF AN OPTICAL FIBER JUNCTION, METHOD FOR MOLDING REINFORCEMENT RESIN COATING OF A GLASS OPTICAL FIBER EXPOSING PORTION OF AN OPTICAL FIBER JUNCTION, AND OPTICAL FIBER CABLE | Rei Koike, Kenji Io, Tatsuo Saito, Yukio Nomura, Yoshiji Sato +4 more | 2007-06-26 |
| 6997016 | Method and apparatus for manufacturing glass tube | Masashi Onishi, Kazuyuki SOHMA, Masaaki Hirano, Eiji Yanada, Tadashi Enomoto | 2006-02-14 |
| 6976796 | Method and jig for handling and transferring fusion-spliced optical fibers | Rei Koike, Kazunari Hattori | 2005-12-20 |
| 6886998 | Method for fusion splicing optical fibers and apparatus for heating spliced part by arc | Osamu Kasuu, Motonori Nakamura, Tomomi Sano, Shinji Kayou | 2005-05-03 |
| 6854293 | Method for fusion splicing of optical fibers | Osamu Kasuu, Motonori Nakamura, Tomomi Sano, Shinji Kayou | 2005-02-15 |
| 6438997 | Method of elongating glass preform | Tatsuhiko Saito | 2002-08-27 |
| 6138481 | Glassrod elongation heating furnance having double bellows | Tatsuhiko Saito | 2000-10-31 |
| 5942019 | Elongating apparatus and method for glass preform and furnace body for elongating apparatus | Tatsuhiko Saito | 1999-08-24 |
| 5620494 | Method for manufacturing optical fiber coupler | Eisuke Sasaoka, Yuji Kobayashi, Yoichi Ishiguro, Shigeru Semura | 1997-04-15 |