Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8813523 | Glass lathe | — | 2014-08-26 |
| 8707741 | Method of manufacturing optical fiber preform using plasma torch | — | 2014-04-29 |
| 8702105 | Seal member | — | 2014-04-22 |
| 8322165 | Apparatus for fabricating an optical fiber | Yoshiaki Shimizu | 2012-12-04 |
| 7987686 | Manufacturing apparatus of porous glass base material | — | 2011-08-02 |
| 7752869 | Optical fiber preform, method for manufacturing thereof, and optical fiber obtained by drawing thereof | Dai Inoue, Hiroshi Oyamada, Jun Abe, Hideo Hirasawa | 2010-07-13 |
| 7633608 | Measurement method of non-circularity of core optical fiber base material and apparatus therefor | — | 2009-12-15 |
| 7595866 | Method for measuring non-circularity at core portion of optical fiber parent material | Yuuji Tobisaka, Hiroshi Oyamada | 2009-09-29 |
| 7082791 | Apparatus for fabricating soot preform for optical fiber | Dai Inoue, Go Ogino, Tadakatsu Shimada, Hideo Hirasawa | 2006-08-01 |