https://www.google.com/patents/WO2012094409A2?cl=en&dq=%22Nitto+Denko%22+and+%22quantum+dot%22+and+%22film%22&hl=en&sa=X&ved=0ahUKEwif17Ldy93SAhUBXBQKHZWEDT4Q6AEIITAB https://www.google.com/patents/US7993747?dq=%22quantum+dot%22+inassignee:Nitto+inassignee:Denko&hl=en&sa=X&ved=0ahUKEwj33Mqu1d3SAhVBXSwKHYqbDxU4ChDoAQguMAM https://www.google.com/patents/US8721922?dq=%22quantum+dot%22+inassignee:Nitto+inassignee:Denko&hl=en&sa=X&ved=0ahUKEwj33Mqu1d3SAhVBXSwKHYqbDxU4ChDoAQg1MAQ They also have a number related to solar application. https://www.google.com/search?tbo=p&tbm=pts&hl=en&q=%22quantum+dot%22+inassignee:Nitto+inassignee:Denko&num=10