RA

Ryota Arai

Ricoh Company: 1 patents #815 of 1,810Top 50%
Overall (2017): #258,072 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9590187 Substituent-eliminable diketopyrrolopyrrole derivative, organic semiconductor material precursor solution, organic semiconductor material, and organic semiconductor material film Yoshiki Yanagawa 2017-03-07