TO

Takafumi Okamura

Dai Nippon Printing Co.: 4 patents #587 of 2,222Top 30%
Overall (All Time): #1,183,435 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9924596 Structural body and method for manufacturing same Masaaki Asano, Hiroshi Mawatari 2018-03-20
9769927 Structural body and method for manufacturing same Masaaki Asano, Hiroshi Mawatari 2017-09-19
6764792 Halftone phase shift photomask and blanks for halftone phase shift photomask for producing it Junji Fujikawa, Yoshinori Kinase, Hiroshi Mohri, Toshifumi Yokoyama, Haruo Kokubo 2004-07-20
6458496 Blank for halftone phase shift photomask and halftone phase shift photomask Toshiaki Motonaga, Toshifumi Yokoyama, Yoshinori Kinase, Hiroshi Mohri, Junji Fujikawa +4 more 2002-10-01