HT

Hikaru TOKUNAGA

NI Nissan Chemical Industries: 16 patents #451 of 1,150Top 40%
📍 Toyama, JP: #189 of 1,699 inventorsTop 15%
Overall (All Time): #283,306 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12386262 Resist underlayer film-forming composition using carbon-oxygen double bond Hiroto OGATA, Keisuke Hashimoto, Makoto Nakajima 2025-08-12
12360452 Resist underlayer film-forming composition Hayato HATTORI, Makoto Nakajima 2025-07-15
12242196 Resist underlayer film-forming composition containing indolocarbazole novolak resin Daigo Saito, Keisuke Hashimoto, Rikimaru Sakamoto 2025-03-04
12147158 Photocurable composition and method for producing semiconductor device Takafumi Endo, Keisuke Hashimoto, Rikimaru Sakamoto 2024-11-19
12072630 Resist underlayer film-forming composition including cyclic carbonyl compound Hiroto OGATA, Keisuke Hashimoto, Makoto Nakajima 2024-08-27
12044969 Resist underlayer film-forming composition Hiroto OGATA, Hirokazu Nishimaki, Makoto Nakajima 2024-07-23
11798810 Resist underlayer film-forming composition containing amide solvent Satoshi Hamada, Keisuke Hashimoto, Rikimaru Sakamoto 2023-10-24
11720024 Resist underlayer film-forming composition containing indolocarbazole novolak resin Daigo Saito, Keisuke Hashimoto, Rikimaru Sakamoto 2023-08-08
11681223 Photocurable composition and method for producing semiconductor device Takafumi Endo, Keisuke Hashimoto, Rikimaru Sakamoto 2023-06-20
11674051 Stepped substrate coating composition containing compound having curable functional group Takafumi Endo, Hiroto OGATA, Keisuke Hashimoto, Makoto Nakajima 2023-06-13
11506980 Resist underlayer film forming composition using a fluorene compound Keisuke Hashimoto, Rikimaru Sakamoto 2022-11-22
11454889 Crosslinkable compound-containing photocurable stepped substrate-coating composition Takafumi Endo 2022-09-27
11385546 Multi-level substrate coating film-forming composition containing plasma-curable compound based on unsaturated bonds between carbon atoms Takafumi Endo, Keisuke Hashimoto, Rikimaru Sakamoto 2022-07-12
11112696 Protective film-forming composition Yuto HASHIMOTO, Hiroto OGATA, Tomoya Ohashi, Yasushi Sakaida, Takahiro Kishioka 2021-09-07
10894887 Composition for forming film protecting against aqueous hydrogen peroxide solution Yuto HASHIMOTO, Keisuke Hashimoto, Rikimaru Sakamoto 2021-01-19
10871712 Stepped substrate-coating composition containing polyether resin having photocrosslinkable group Takafumi Endo, Keisuke Hashimoto, Rikimaru Sakamoto 2020-12-22