Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
TK

Tomoya Kumagai

TC Tokyo Ohka Kogyo Co.: 3 patents #1 of 31Top 4%
Canon: 2 patents #420 of 2,977Top 15%
SH Sk Hynix: 1 patents #251 of 822Top 35%
Overall (2025): #19,609 of 469,880Top 5%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12428611 Cleaning liquid used for cleaning metal resists, and cleaning method using cleaning liquid Mai Sugawara 2025-09-30
12428737 Cleaning liquid used for cleaning metal resists, and cleaning method using cleaning liquid Mai Sugawara 2025-09-30
12393122 Thinner composition and method of processing surfaces of semiconductor substrates Kyung Hee OH, Jun-kyoung Lee, Motoki Takahashi 2025-08-19
12389139 Photoelectric conversion device and method of driving photoelectric conversion device SHINYA ICHINO, Takanori Yamashita 2025-08-12
12335651 Photoelectric conversion device, method of driving photoelectric conversion device, and imaging system SHINYA ICHINO, Takanori Yamashita 2025-06-17