Issued Patents 2019
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488347 | Defect classification method, method of sorting photomask blanks, and method of manufacturing mask blank | Tsuneo Terasawa, Daisuke Iwai | 2019-11-26 |
| 10295477 | Methods for defect inspection, sorting, and manufacturing photomask blank | Tsuneo Terasawa, Atsushi YOKOHATA, Takahiro KISHITA, Daisuke Iwai | 2019-05-21 |
| 10295744 | Coherent optical mixer circuit | Shin Kamei, Makoto Jizodo, Kiyofumi Kikuchi, Ken Tsuzuki | 2019-05-21 |
| 10277271 | Optical module | Kiyofumi Kikuchi, Takashi Saida, Shin Kamei, Ken Tsuzuki | 2019-04-30 |
| 10190941 | Silicon optical circuit for flaw detection in an optical circuit element | Shin Kamei, Makoto Jizodo, Kotaro Takeda | 2019-01-29 |
| 10193653 | Polarization multiplexing optical transmission circuit and polarization multiplexing optical transmission and reception circuit | Shin Kamei, Makoto Jizodo, Kiyofumi Kikuchi, Ken Tsuzuki | 2019-01-29 |
| 10192083 | Article management system and article management method | Wataru Hattori, Naoki Kobayashi, Yusuke Takahashi, Ryo Kawai | 2019-01-29 |