MI

Makoto Ishikawa

PC Powdertech Co.: 4 patents #1 of 4Top 25%
JD Japan Display: 1 patents #140 of 260Top 55%
TW The Japan Steel Works: 1 patents #12 of 37Top 35%
Overall (2025): #15,795 of 469,880Top 4%
6
Patents 2025

Issued Patents 2025

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12422763 Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer Tetsuya Uemura 2025-09-23
12386281 Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer Tetsuya Uemura 2025-08-12
12340044 Touch detection device having a plurality of initial setting distance Koji Yoshida 2025-06-24
12296506 Resin cutter, granulator and pellet manufacturing method Tetsuya KOIWA, Hiroyuki Kawano, Soichiro MATSUDA, Mutsushi Harawaki 2025-05-13
12253825 Ferrite particles, electrophotographic developer carrier core material, electrophotographic developer carrier, and electrophotographic developer Tetsuya Uemura 2025-03-18
12204280 Carrier, xerographic developer, and carrier production method Aya Sakuta, Hiroki Sawamoto, Tetsuya Uemura 2025-01-21