HS

Hiroaki Segawa

Dai Nippon Printing Co.: 1 patents #60 of 218Top 30%
Overall (2025): #368,314 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12216302 Optical film, polarizing plate, image display device, and optical film selection method Shosei KUBOTA, Yoshiko TANAKA, Norio Ishii, Takashi Kuroda, Akinobu Ushiyama 2025-02-04