Inventor · disambiguated record
So Nakajima
Also filed as: NAKAJIMA SO
6 granted patents·10 pending applications·0 citations·filing 2016–2023
63Inventor score
Files withIDEMITSU KOSAN CO16
Top patents by PatentIndex Score
16 records- 0156US12227471B2Polyalkylene glycol-based compoundIDEMITSU KOSAN CO·Filed 2019·Granted Feb 18, 2025·0 cites·20 claims
- 0256US10662392B2Lubricating oil composition for refrigerator, composition for refrigerator, lubricating method, and refrigeratorIDEMITSU KOSAN CO·Filed 2016·Granted May 26, 2020·0 cites·17 claims
- 0355US12384882B2Polyalkylene glycol compoundIDEMITSU KOSAN CO·Filed 2019·Granted Aug 12, 2025·0 cites·1 claims
- 0455US2025109348A1Refrigerator oil composition and mixed composition for refrigeratorIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0554US2025019611A1Refrigerator oil composition and mixed composition for refrigeratorsIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0654US2025179386A1Refrigerator oil composition and mixed composition for refrigeratorIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0753US2025215344A1LubricantIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 0848US11542455B2Lubricating oil composition and composition for refrigeratorIDEMITSU KOSAN CO·Filed 2019·Granted Jan 3, 2023·0 cites·8 claims
- 0946US10889776B2Refrigerating machine oil, and composition for refrigerating machineIDEMITSU KOSAN CO·Filed 2017·Granted Jan 12, 2021·0 cites·14 claims
- 1046US2019233759A1Refrigerating machine oil and composition for refrigerating machinesIDEMITSU KOSAN CO·Filed 2017·Application pending·0 cites
- 1146US2024093120A1Refrigerator oil composition and mixed composition for refrigeratorIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1244US2021095222A1Refrigerator oil compositionIDEMITSU KOSAN CO·Filed 2018·Application pending·0 cites
- 1343US11015138B2Refrigerating machine oil, and composition for refrigerating machineIDEMITSU KOSAN CO·Filed 2017·Granted May 25, 2021·0 cites·13 claims
- 1442US2018291247A1Refrigeration oil, refrigerator composition, and refrigeratorIDEMITSU KOSAN CO·Filed 2016·Application pending·0 cites
- 1541US2023227747A1Refrigeration machine oil composition, refrigerant lubricating oil mixed composition, and refrigeratorIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 1641US2023091226A1Refrigerator oil composition and refrigerator mixture compositionIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →