HO

Hiroshi Oba

HS Hitachi High-Tech Science: 15 patents #6 of 167Top 4%
NS Nippon Steel: 7 patents #329 of 4,423Top 8%
HH Hitachi High-Technologies: 2 patents #968 of 1,917Top 55%
AC Asmo Co.: 1 patents #369 of 745Top 50%
SN Sii Nanotechnology: 1 patents #82 of 157Top 55%
MC Mitsubishi Chemical: 1 patents #294 of 716Top 45%
Overall (All Time): #137,252 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
11721517 Focused ion beam processing apparatus Yasuhiko Sugiyama, Yoshitomo Nakagawa, Koji Nagahara 2023-08-08
11017982 Composite charged particle beam apparatus and control method thereof Yasuhiko Sugiyama, Naoko Hirose 2021-05-25
11017988 Charged particle beam apparatus Yasuhiko Sugiyama, Yasutaka Otsuka 2021-05-25
10658143 Method of manufacturing emitter Yoko Nakajima, Yoshimi Kawanami, Hironori Moritani 2020-05-19
10176964 Focused ion beam apparatus Yasuhiko Sugiyama 2019-01-08
10056232 Charged particle beam apparatus and plasma ignition method Yasuhiko Sugiyama 2018-08-21
9793085 Focused ion beam apparatus Anto Yasaka, Tomokazu Kozakai, Osamu Matsuda, Yasuhiko Sugiyama, Kazuo Aita +1 more 2017-10-17
9773637 Plasma ion source and charged particle beam apparatus Yasuhiko Sugiyama, Mamoru Okabe 2017-09-26
9773634 Iridium tip, gas field ion source, focused ion beam apparatus, electron source, electron microscope, electron beam applied analysis apparatus, ion-electron multi-beam apparatus, scanning probe microscope, and mask repair apparatus Tomokazu Kozakai, Osamu Matsuda, Yasuhiko Sugiyama, Kazuo Aita, Fumio Aramaki +1 more 2017-09-26
9773646 Plasma ion source and charged particle beam apparatus Yasuhiko Sugiyama, Mamoru Okabe 2017-09-26
9640361 Emitter structure, gas ion source and focused ion beam system Anto Yasaka, Yasuhiko Sugiyama 2017-05-02
9583299 Iridium tip, gas field ion source, focused ion beam apparatus, electron source, electron microscope, electron beam applied analysis apparatus, ion-electron multi-beam apparatus, scanning probe microscope, and mask repair apparatus Tomokazu Kozakai, Osamu Matsuda, Yasuhiko Sugiyama, Kazuo Aita, Fumio Aramaki +1 more 2017-02-28
9418817 Focused ion beam apparatus and control method thereof Fumio Aramaki, Yasuhiko Sugiyama 2016-08-16
9378858 Repair apparatus Fumio Aramaki, Anto Yasaka, Osamu Matsuda, Yasuhiko Sugiyama, Tomokazu Kozakai +1 more 2016-06-28
9129771 Emitter structure, gas ion source and focused ion beam system Anto Yasaka, Yasuhiko Sugiyama 2015-09-08
9111717 Ion beam apparatus Tatsuya Asahata, Yasuhiko Sugiyama 2015-08-18
8822911 Focused ion beam apparatus and method of adjusting ion beam optics Yasuhiko Sugiyama, Tatsuya Asahata, Toshio Doi 2014-09-02
8460842 Defect repair apparatus and method for EUV mask using a hydrogen ion beam Takashi Ogawa, Fumio Aramaki, Anto Yasaka 2013-06-11
5665182 High-carbon steel wire rod and wire excellent in drawability and methods of producing the same Akifumi Kawana, Ikuo Ochiai, Seiki Nishida 1997-09-09
5662747 Bainite wire rod and wire for drawing and methods of producing the same Akifumi Kawana, Ikuo Ochiai, Seiki Nishida 1997-09-02
5658399 Bainite wire rod and wire for drawing and methods of producing the same Akifumi Kawana, Ikuo Ochiai, Seiki Nishida 1997-08-19
5658402 High-carbon steel wire rod and wire excellent in drawability and methods of producing the same Akifumi Kawana, Ikuo Ochiai, Seiki Nishida 1997-08-19
5650027 High-carbon steel wire rod and wire excellent in drawability and methods of producing the same Akifumi Kawana, Ikuo Ochiai, Seiki Nishida 1997-07-22
5647918 Bainite wire rod and wire for drawing and methods of producing the same Akifumi Kawana, Ikuo Ochiai, Seiki Nishida 1997-07-15
5280212 Brush assembly for use with a direct current machine 1994-01-18