Inventor
NAKAJIMA SO
JP7 patents
Patents
7 patentsUS12384882B2Aug 12, 2025
Polyalkylene glycol compound
IDEMITSU KOSAN CO0 citations49
US12227471B2Feb 18, 2025
Polyalkylene glycol-based compound
IDEMITSU KOSAN CO0 citations49
US10662392B2May 26, 2020
Lubricating oil composition for refrigerator, composition for refrigerator, lubricating method, and refrigerator
IDEMITSU KOSAN CO0 citations49
US12534656B2Jan 27, 2026
Refrigerator oil composition and mixed composition for refrigerator
IDEMITSU KOSAN CO0 citations48
US11015138B2May 25, 2021
Refrigerating machine oil, and composition for refrigerating machine
IDEMITSU KOSAN CO0 citations48
US10889776B2Jan 12, 2021
Refrigerating machine oil, and composition for refrigerating machine
IDEMITSU KOSAN CO0 citations48
US11542455B2Jan 3, 2023
Lubricating oil composition and composition for refrigerator
IDEMITSU KOSAN CO0 citations46