YF

Yoshimasa Fukushima

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HH Hitachi High-Technologies: 4 patents #621 of 1,917Top 35%
Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #459,380 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10056226 Charged particle beam apparatus and vibration damper for charged particle beam apparatus Motohiro TAKAHASHI, Katsunori Onuki, Tetsuya Niibori 2018-08-21
8823309 Stage device Hironori Ogawa, Masahiro Koyama, Nobuo Shibata, Masaru Matsushima, Shuichi Nakagawa +1 more 2014-09-02
7276709 System and method for electron-beam lithography Hiroshi Tsuji, Sayaka Tanimoto 2007-10-02
6794665 Electron beam drawing apparatus Masaki Kurihara, Toshihiko Horiuchi, Masaki Mizuochi 2004-09-21
6744054 Evacuation use sample chamber and circuit pattern forming apparatus using the same Masaki Mizuochi, Mitsuru Inoue 2004-06-01
6730916 Electron beam lithography apparatus Hiroshi Tsuji, Mitsuru Inoue, Norio Saitou, Yasuhiro Someda 2004-05-04
6659441 Travelling worktable apparatus Masaki Mizuochi, Masami Katsuyama, Toshinori Kobayashi 2003-12-09
6446950 Travelling worktable apparatus Masaki Mizuochi, Masami Katsuyama, Toshinori Kobayashi 2002-09-10
6281024 Semiconductor device inspection and analysis method and its apparatus and a method for manufacturing a semiconductor device Yasuhiro Yoshitake, Kenji Watanabe, Minori Noguchi 2001-08-28
4824309 Vacuum processing unit and apparatus Yutaka Kakehi, Norio Nakazato, Fumio Shibata, Tsunehiko Tsubone, Norio Kanai 1989-04-25
4565601 Method and apparatus for controlling sample temperature Yutaka Kakehi, Norio Nakazato, Kousai Hiratsuka, Fumio Shibata, Noriaki Yamamoto +1 more 1986-01-21