RS

Rikimaru Sakamoto

NI Nissan Chemical Industries: 100 patents #1 of 1,150Top 1%
HO Hoya: 4 patents #305 of 1,290Top 25%
📍 Toyama, JP: #4 of 1,699 inventorsTop 1%
Overall (All Time): #14,426 of 4,157,543Top 1%
100
Patents All Time

Issued Patents All Time

Showing 1–25 of 100 patents

Patent #TitleCo-InventorsDate
12405533 Resist underlayer film-forming composition containing substituted crosslinkable compound Keisuke Hashimoto, Kenji Takase, Tetsuya Shinjo, Takafumi Endo, Hirokazu Nishimaki 2025-09-02
12242196 Resist underlayer film-forming composition containing indolocarbazole novolak resin Hikaru TOKUNAGA, Daigo Saito, Keisuke Hashimoto 2025-03-04
12242194 Resist underlayer film-forming composition comprising epoxy adduct having long-chain alkyl group Takafumi Endo, Daigo Saito, Ryo Karasawa 2025-03-04
12147158 Photocurable composition and method for producing semiconductor device Hikaru TOKUNAGA, Takafumi Endo, Keisuke Hashimoto 2024-11-19
12087576 Composition for forming coating film and method for manufacturing semiconductor device Tokio NISHITA, Yasunobu Someya, Takahiro Kishioka 2024-09-10
12072629 Resist underlayer film-forming composition containing novolac resin to which aromatic vinyl compound is added Takafumi Endo, Keisuke Hashimoto, Hirokazu Nishimaki 2024-08-27
12025915 Resist underlayer film-forming composition comprising polymer having structural unit having urea linkage Tokio NISHITA, Yuichi Goto, Gun SON 2024-07-02
11798810 Resist underlayer film-forming composition containing amide solvent Hikaru TOKUNAGA, Satoshi Hamada, Keisuke Hashimoto 2023-10-24
11720024 Resist underlayer film-forming composition containing indolocarbazole novolak resin Hikaru TOKUNAGA, Daigo Saito, Keisuke Hashimoto 2023-08-08
11681223 Photocurable composition and method for producing semiconductor device Hikaru TOKUNAGA, Takafumi Endo, Keisuke Hashimoto 2023-06-20
11675270 Resist underlayer film-forming composition Tokio NISHITA 2023-06-13
11675269 Composition for forming resist overlayer film for EUV lithography Bangching Ho, Takafumi Endo 2023-06-13
11674053 Composition for forming underlayer film of self-assembled film including aliphatic polycyclic structure Takafumi Endo, Yasunobu Someya, Hiroyuki Wakayama 2023-06-13
11650505 Resist underlayer film-forming composition containing novolac resin reacted with aromatic methylol compound Hirokazu Nishimaki, Keisuke Hashimoto, Takafumi Endo 2023-05-16
11592747 Resist underlayer film-forming composition comprising carbonyl-containing polyhydroxy aromatic ring novolac resin Yasunobu Someya, Ryo Karasawa, Keisuke Hashimoto, Tetsuya Shinjo 2023-02-28
11531269 Method for producing resist pattern coating composition with use of solvent replacement method Shuhei Shigaki, Satoshi Takeda, Wataru SHIBAYAMA, Makoto Nakajima 2022-12-20
11506980 Resist underlayer film forming composition using a fluorene compound Hikaru TOKUNAGA, Keisuke Hashimoto 2022-11-22
11440985 Underlayer film-forming composition for use in forming a microphase-separated pattern Ryuta MIZUOCHI, Yasunobu Someya, Hiroyuki Wakayama 2022-09-13
11385546 Multi-level substrate coating film-forming composition containing plasma-curable compound based on unsaturated bonds between carbon atoms Takafumi Endo, Hikaru TOKUNAGA, Keisuke Hashimoto 2022-07-12
11372330 Anti-reflective coating forming composition containing reaction product of isocyanuric acid compound with benzoic acid compound Takahiro Kishioka, Daisuke Maruyama 2022-06-28
11300879 Resist underlayer film forming composition containing triaryldiamine-containing novolac resin Daigo Saito, Keisuke Hashimoto 2022-04-12
11199777 Resist underlayer film-forming composition containing novolac polymer having secondary amino group Hirokazu Nishimaki, Keisuke Hashimoto, Takafumi Endo 2021-12-14
11194251 Resist underlayer film-forming composition for lithography containing polymer having blocked isocyanate structure Ryo Karasawa, Tokio NISHITA, Yasunobu Someya, Takafumi Endo 2021-12-07
11169441 Composition for forming resist underlayer film, resist underlayer film, method for forming resist pattern and method for producing semiconductor device Daigo Saito, Keisuke Hashimoto 2021-11-09
11155684 Photocrosslinkable group-containing composition for coating stepped substrate Takafumi Endo, Tadashi Hatanaka 2021-10-26