RH

Ryutaro Harada

Dai Nippon Printing Co.: 1 patents #60 of 218Top 30%
Overall (2025): #232,732 of 469,880Top 50%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12211962 Barrier film, wavelength conversion sheet using barrier film, and display device using wavelength conversion sheet Tatsuji Nakajima, Takeshi Sakamoto, Syuichi Tamura, Tatsunori Itai 2025-01-28