KI

Koji Ichikawa

SC Sumitomo Chemical: 5 patents #5 of 279Top 2%
TO Toyota: 1 patents #1,392 of 3,956Top 40%
Overall (2021): #22,007 of 548,734Top 5%
6
Patents 2021

Issued Patents 2021

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11198748 Resin, resist composition and method for producing resist pattern Tatsuro Masuyama, Satoshi Yamaguchi 2021-12-14
11119408 Compound, resin and photoresist composition Hiromu Sakamoto 2021-09-14
11035324 Vehicle Hisayuki Itoh, Masaaki Yamaguchi, Hirokazu Kato 2021-06-15
10975028 Salt and photoresist composition containing the same Tatsuro Masuyama, Satoshi Yamamoto 2021-04-13
10915022 Photoresist composition and process for producing photoresist pattern Katsuhiro Komuro, Shingo Fujita 2021-02-09
10882839 Salt and photoresist composition containing the same Tatsuro Masuyama, Natsuki Okada 2021-01-05