Issued Patents All Time
Showing 26–50 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9588286 | Optical fiber | Tetsuya Haruna, Yoshiaki Tamura, Nobuhiro Hikichi | 2017-03-07 |
| 9575245 | Optical fiber | Yoshiaki Tamura, Tetsuya Haruna, Yoshihiro Saito, Yuki Kawaguchi | 2017-02-21 |
| 9527765 | Optical fiber manufacturing method and optical fiber | Tetsuya Haruna, Yoshiaki Tamura, Tetsuya Nakanishi | 2016-12-27 |
| 9512033 | Optical fiber preform | Tetsuya Haruna, Yoshiaki Tamura | 2016-12-06 |
| 9411095 | Optical-fiber preform and method for manufacturing optical-fiber preform | Yoshiaki Tamura, Tetsuya Haruna | 2016-08-09 |
| 9385813 | Optical fiber transmission line | Yuki Kawaguchi, Yoshinori Yamamoto | 2016-07-05 |
| 9340444 | Optical fiber preform manufacturing method, optical fiber preform, and optical fiber | Tetsuya Haruna, Yoshiaki Tamura | 2016-05-17 |
| 9335465 | Optical fiber and optical fiber preform | Tetsuya Haruna, Yoshiaki Tamura | 2016-05-10 |
| 9322990 | Optical fiber preform | Tetsuya Haruna, Yoshiaki Tamura | 2016-04-26 |
| 9298657 | Semiconductor device and data processing system | Kunihiko Nishiyama | 2016-03-29 |
| 9229160 | Optical fiber preform, method for producing optical fiber, and optical fiber | Yoshiaki Tamura, Tetsuya Haruna | 2016-01-05 |
| 9199877 | Method for manufacturing optical fiber base material, and optical fiber | Tetsuya Haruna, Yoshiaki Tamura | 2015-12-01 |
| 9139466 | Optical fiber preform, optical fiber, and method of manufacturing optical fiber preform | Tetsuya Haruna, Yoshiaki Tamura | 2015-09-22 |
| 9097834 | Optical fiber and optical fiber preform | Tetsuya Haruna, Yoshiaki Tamura | 2015-08-04 |
| 9036972 | Optical fiber preform, method for producing optical fiber, and optical fiber | Yoshiaki Tamura, Tetsuya Haruna | 2015-05-19 |
| 8909016 | Optical fiber and method of manufacturing optical fiber | Tetsuya Nakanishi, Tetsuya Haruna, Maki Ikeji | 2014-12-09 |
| 8839646 | Method for producing optical fiber preform | Tetsuya Haruna, Yoshiaki Tamura | 2014-09-23 |
| 8731357 | Optical fiber | Tetsuya Haruna, Yoshiaki Tamura, Yoshinori Yamamoto | 2014-05-20 |
| 8676014 | Optical fiber and method of manufacturing optical fiber | Tetsuya Nakanishi, Tetsuya Haruna, Maki Ikechi | 2014-03-18 |
| 8655133 | Optical fiber and optical communication system including same | Yoshinori Yamamoto | 2014-02-18 |
| 8557181 | Automatic analyzing device | — | 2013-10-15 |
| 8543735 | Semiconductor device and data processing system having reduced number of terminals allocated for externally accessed address | Kunihiko Nishiyama | 2013-09-24 |
| 8406584 | Fiber optic device | — | 2013-03-26 |
| 8395762 | Apparatus and method for measuring chromatic dispersion | Toshiki Taru | 2013-03-12 |
| 8351783 | Apparatus and method for measuring chromatic dispersion | Toshiki Taru | 2013-01-08 |