Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Keisuke Akinaga
Tokyo
JP
1 patent
2 Patents
US12442455
2025
Gas Supply Apparatus, Vacuum Processing Apparatus, and Gas Supply Method
Hitachi High-tech Corporation
0 cites
US12444613
2025
Etching Processing Method
HITACHI HIGH-TECH CORPORATION
0 cites