YI

Yoshiko Ishimaru

TC Toppan Printing Co.: 3 patents #268 of 1,467Top 20%
Nichia: 1 patents #1,005 of 1,531Top 70%
TO Toppan: 1 patents #51 of 177Top 30%
Overall (All Time): #1,087,840 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12345902 Optical device and method of producing optical device Yukari Oda, Masashi Kawashita, Azusa Yamagishi 2025-07-01
12124062 Wavelength selection filter, method of manufacturing wavelength selection filter, and display device Masashi Kawashita, Yukari Oda, Yuki Yasu 2024-10-22
8269921 Liquid crystal display device and color filter for liquid crystal display device Satoshi Ohkuma, Atsuko Kamada, Kenji Muneuchi, Hidesato Hagiwara, Takashi Yamauchi +1 more 2012-09-18
8130342 Liquid crystal display device and color filter for liquid crystal display device Hidesato Hagiwara, Yoshinori Murazaki, Suguru Takashima, Masafumi Harada 2012-03-06