RK

Ryoh KAWANA

NT Nuflare Technology: 8 patents #48 of 298Top 20%
Overall (All Time): #607,115 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12412730 Multi-charged particle beam writing apparatus and multi-charged particle beam writing method Yasuo Kato 2025-09-09
11556061 Multiple charged particle beam writing apparatus and multiple charged particle beam writing method Yasuo Kato 2023-01-17
10483087 Multi charged particle beam writing apparatus and multi charged particle beam writing method Kei Hasegawa, Hayato Kimura 2019-11-19
10248031 Multiple charged particle beam lithography apparatus and multiple charged particle beam pattern writing method Yasuo Kato 2019-04-02
10134562 Multi charged particle beam writing apparatus, and multi charged particle beam writing method Yasuo Kato, Hideo Inoue, Hiroshi Matsumoto 2018-11-20
9899187 Charged particle beam writing apparatus and charged particle beam writing method Yasuo Kato, Masafumi Ise 2018-02-20
9852876 Multi charged particle beam writing apparatus and multi charged particle beam writing method Yasuo Kato, Hideo Inoue, Hiroshi Matsumoto 2017-12-26
9601315 Multiple charged particle beam lithography apparatus and multiple charged particle beam pattern writing method Yasuo Kato 2017-03-21