KI

Keiichi Ibata

TC Tokyo Ohka Kogyo Co.: 5 patents #208 of 684Top 35%
Overall (All Time): #901,344 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12221556 Hard-mask forming composition, method for manufacturing electronic component, and compound and resin 2025-02-11
11921425 Hard mask-forming composition and method for manufacturing electronic component Junichi Tsuchiya 2024-03-05
11746189 Hard-mask forming composition, method for manufacturing electronic component, and resin 2023-09-05
11650503 Hard mask-forming composition and method for manufacturing electronic component Junichi Tsuchiya 2023-05-16
11248086 Hard-mask forming composition and method for manufacturing electronic component Ryoji Watanabe 2022-02-15