Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9713840 | Pipe with rib and method for manufacturing pipe with rib | Yuichi Furukawa, Tsukasa Kato, Tetsuya Nakajima, Jun Yaokawa, Yasushi Iwata +1 more | 2017-07-25 |
| 9618694 | Optical waveguide and arrayed waveguide grating | Kazumi Shimizu, Kouji Kawashima, Tomoharu Niitsu | 2017-04-11 |