MH

Masahiro Hatakeyama

EB Ebara: 97 patents #4 of 1,611Top 1%
KT Kabushiki Kaisha Toshiba: 18 patents #1,647 of 21,451Top 8%
UN Unknown: 12 patents #556 of 83,584Top 1%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
Overall (All Time): #15,440 of 4,157,543Top 1%
97
Patents All Time

Issued Patents All Time

Showing 76–97 of 97 patents

Patent #TitleCo-InventorsDate
6627095 Magnetic recording disk and method of manufacturing same Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo, Yasushi Tohma +1 more 2003-09-30
6468598 Magnetic disk and method of making thereof Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo, Tohru Satake +2 more 2002-10-22
6194048 Magnetic recording disk Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo, Yasushi Tohma +1 more 2001-02-27
6099698 Magnetic disc and method of manufacturing same Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo, Tohru Satake +2 more 2000-08-08
6048671 Ultra-fine microfabrication method using an energy beam Katsunori Ichiki, Yotaro Hatamura 2000-04-11
6015976 Fabrication apparatus employing energy beam Katsunori Ichiki, Takao Kato, Yotaro Hatamura, Masayuki Nakao 2000-01-18
6010831 Ultra-fine microfabrication method using an energy beam Katsunori Ichiki, Yotaro Hatamura 2000-01-04
6007969 Ultra-fine microfabrication method using an energy beam Katsunori Ichiki, Yotaro Hatamura 1999-12-28
5998097 Fabrication method employing energy beam source Katsunori Ichiki, Tadasuke Kobata, Yotaro Hatamura, Masayuki Nakao 1999-12-07
5989779 Fabrication method employing and energy beam source Katsunori Ichiki, Tadasuke Kobata, Yotaro Hatamura, Masayuki Nakao 1999-11-23
5894058 Ultra-fine microfabrication method using a fast atomic energy beam Katsunori Ichiki, Yotaro Hatamura 1999-04-13
5883470 Fast atomic beam source with an inductively coupled plasma generator Katsunori Ichiki, Yasushi Toma, Masao Saitoh 1999-03-16
5868952 Fabrication method with energy beam Katsunori Ichiki, Takao Kato, Yotaro Hatamura, Masayuki Nakao 1999-02-09
5852298 Micro-processing apparatus and method therefor Katsunori Ichiki, Takao Kato, Masaaki Kajiyama, Takashi Tsuzuki, Yotaro Hatamura +1 more 1998-12-22
5770123 Method and apparatus for energy beam machining Katsunori Ichiki, Tadasuke Kobata, Masayuki Nakao, Yotaro Hatamura 1998-06-23
5708267 Processing method using fast atom beam 1998-01-13
5677011 Processing method using fast atom beam Chikako Takatou 1997-10-14
5640009 Fast atom beam source 1997-06-17
5563416 Processing apparatus using fast atom beam 1996-10-08
5543615 Beam charge exchanging apparatus Mutsumi Saito, Tomoyuki Yahiro 1996-08-06
5519213 Fast atom beam source 1996-05-21
5216241 Fast atom beam source Kazutoshi Nagai 1993-06-01