Inventor
WATAHIKI TSUTOMU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “WATAHIKI TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKAMOTO KUNIAKI
5 patentsUS9190695B2Nov 17, 2015
Nonaqueous electrolyte solution, method for producing same, and nonaqueous electrolyte battery using the electrolyte solution
OKAMOTO KUNIAKI9 citations79
US9257720B2Feb 9, 2016
Nonaqueous electrolyte solution and nonaqueous electrolyte battery using same
OKAMOTO KUNIAKI6 citations68
US8716513B2May 6, 2014
Process for production of bis-quaternary ammonium salt, and novel intermediate
OKAMOTO KUNIAKI1 citations50
US8269038B2Sep 18, 2012
Process for production of sulfonic acid ester
OKAMOTO KUNIAKI1 citations50
US8742136B2Jun 3, 2014
Method for producing cyclic disulfonic acid ester
OKAMOTO KUNIAKI0 citations39
WAKO PURE CHEM IND LTD
3 patentsUS9862914B2Jan 9, 2018
Cleaning agent for semiconductor substrates and method for processing semiconductor substrate surface
WAKO PURE CHEM IND LTD7 citations80
US8969591B2Mar 3, 2015
Method for producing cyclic sulfonic acid ester and intermediate thereof
WAKO PURE CHEM IND LTD0 citations49
US10439252B2Oct 8, 2019
Electrolyte solution for electrochemical device, and electrochemical device
WAKO PURE CHEM IND LTD0 citations39