Patent Assignment
Reel/Frame 061290/0817
Assignment of Assignor's Interest
Recorded: 2022-10-03
Pages: 3
Assignee
SUMITOMO OSAKA CEMENT CO.,LTD.
6-28, ROKUBAN-CHO, CHIYODA-KU, TOKYO, 102-8465, JAPAN
Covered Property
(1)
Optical Control Element, Optical Modulation Device Using Same, and Optical Transmission Apparatus