KK

Keigo Kasuya

HH Hitachi High-Technologies: 13 patents #533 of 1,917Top 30%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #335,867 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12400823 Electron source, method of manufacturing the same, and electron beam apparatus using the same Toshiaki Kusunoki, Noriaki Arai, Tomihiro Hashizume 2025-08-26
12394585 Electron source, electron gun, and charged particle beam device Shuhei Ishikawa, Kenji Tanimoto, Takashi Doi, Soichiro Matsunaga, Hiroshi Morita +2 more 2025-08-19
11894211 Electron beam apparatus and method for controlling electron beam apparatus Erina Kawamoto, Soichiro Matsunaga, Souichi Katagiri, Takashi Doi, Tetsuya Sawahata +1 more 2024-02-06
11508544 Thermoelectric field emission electron source and electron beam application device Soichiro Matsunaga, Souichi Katagiri, Aki Takei, Hajime Kawano, Takashi Doi 2022-11-22
11322329 Electron source, method for manufacturing the same, and electron beam device using the same Toshiaki Kusunoki, Tomihiro Hashizume, Noriaki Arai, Hiromitsu Seino, Minoru Kaneda +2 more 2022-05-03
10903037 Charged particle beam device Shuhei Ishikawa, Kenji Tanimoto, Hajime Kawano, Hideo Todokoro, Souichi Katagiri +2 more 2021-01-26
10804084 Vacuum apparatus Souichi Katagiri 2020-10-13
10707046 Electron source and electron beam device using the same Toshiaki Kusunoki, Takashi Ohshima, Tomihiro Hashizume, Noriaki Arai, Yoichi Ose 2020-07-07
10586674 Field emission electron source, method for manufacturing same, and electron beam device Toshiaki Kusunoki, Tomihiro Hashizume, Takashi Ohshima, Yusuke Sakai, Yoichi Ose +1 more 2020-03-10
10522319 Electron beam apparatus Noriaki Arai, Toshiaki Kusunoki, Takashi Ohshima, Tomihiro Hashizume, Yusuke Sakai 2019-12-31
9837243 Ion pump and charged particle beam device using the same Takeshi Kawasaki, Takashi Ohshima, Souichi Katagiri 2017-12-05
8772735 Charged particle beam apparatus, and method of controlling the same Takashi Ohshima, Souichi Katagiri, Shigeru Kokubo, Hideo Todokoro 2014-07-08
8426835 Charged particle radiation device Takashi Ohshima, Souichi Katagiri, Masashi Kimura 2013-04-23
8319193 Charged particle beam apparatus, and method of controlling the same Takashi Ohshima, Souichi Katagiri, Shigeru Kokubo, Hideo Todokoro 2012-11-27