Tokyo
Japan
6
2023-09-28
The entities that hold a legal rights for patent applications filed by inventor OKA Keiko:
Keiko OKA from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Refrigerant Quantity Diagnosis Device, Refrigerant System, and Refrigerant Quantity Diagnosis Method
#2 | 2021-03-11Optical condition determination system and optical condition determination method
#3 | 2021-01-28Defect inspection apparatus and defect inspection method
#4 | 2020-08-13Defect inspection apparatus and defect inspection method
#5 | 2011-02-03MATERIAL FOR CELL CULTURE
#6 | 2005-08-09Grism
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