RA

Rika Ando

Dai Nippon Printing Co.: 2 patents #976 of 2,222Top 45%
📍 Oshima, JP: #468 of 1,090 inventorsTop 45%
Overall (All Time): #2,264,239 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5841572 Lens array sheet, surface light source, and transmission type display device Haruo Ono, Hisanori Ishida, Michiko Takeuchi, Toshikazu Nishio, Nobu Masubuchi 1998-11-24
5808784 Lens array sheet surface light source, and transmission type display device Haruo Ono, Hisanori Ishida, Michiko Takeuchi, Toshikazu Nishio, Nobu Masubuchi 1998-09-15