Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Takahiro Ohtsuka
Saitama
JP
1 patent
2 Patents
US12388415
2025
Crystal Unit, Semimanufactured Crystal Unit, and Method for Manufacturing Crystal Unit
NIHON DEMPA KOGYO CO., Ltd.
0 cites
US12101075
2024
Piezoelectric Device and Manufacturing Method of the Same
NIHON DEMPA KOGYO CO., Ltd.
0 cites