YN

Yasuhiko Nagai

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
SC Screen Holdings Co.: 5 patents #155 of 686Top 25%
HS Hitachi Control Systems: 1 patents #6 of 22Top 30%
HS Hitachi Information & Control Systems: 1 patents #11 of 58Top 20%
Overall (All Time): #266,254 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12401678 Computer system and analysis method for impact of security risk Momoka KASUYA, Hiroki Yamazaki, Makoto Kayashima 2025-08-26
10032654 Substrate treatment apparatus Sei NEGORO, Ryo MURAMOTO, Toyohide Hayashi, Koji Hashimoto 2018-07-24
9555452 Substrate treatment method and substrate treatment apparatus Sei NEGORO, Keiji Iwata 2017-01-31
9403187 Substrate processing method and substrate processing apparatus Sei NEGORO, Ryo MURAMOTO, Tsutomu OSUKA, Keiji Iwata 2016-08-02
9340761 Substrate processing method and substrate processing apparatus Sei NEGORO, Ryo MURAMOTO, Tsutomu OSUKA, Keiji Iwata 2016-05-17
8877076 Substrate treatment apparatus and substrate treatment method Sei NEGORO, Ryo MURAMOTO, Toyohide Hayashi, Koji Hashimoto 2014-11-04
7748041 Tool, method, and program for supporting system security design/evaluation Kousuke Anzai, Masato Arai, Hidaka Matsumoto 2010-06-29
7415728 Information security policy evaluation system and method of controlling the same Masayuki Morohashi, Ritsuko Aiba 2008-08-19
7089581 Security system design supporting method Tatsuya Fujiyama, Masato Arai, Mitsuhiro Tsunoda, Tomoaki Yamada 2006-08-08
6971026 Method and apparatus for evaluating security and method and apparatus for supporting the making of security countermeasure Tatsuya Fujiyama, Makoto Kayashima, Mitsuhiro Tsunoda, Tomoaki Yamada 2005-11-29
6636587 Information reception processing method and computer-telephony integration system Susumu Matsui 2003-10-21
6347303 System configuration proposal method and tool therefor Yoshiyuki Nakayama, Susumu Matsui 2002-02-12
6275977 Application cooperation method and apparatus Yoshiyuki Nakayama, Kazuma Yumoto, Masato Hayashi, Toshio Yamane, Shigeaki Kinoshita 2001-08-14
5586255 Network management operation system and network management operation method Yasuhiro Tanaka, Michio Suzuki, Takashi Kagei, Masato Saito, Goro Ikeba 1996-12-17
5483631 Communication network management system for displaying operation states of network elements on a remote display unit Ryoichi Sasaki, Sadao Niinobe, Michio Suzuki, Keizou Mizuguchi, Goro Ikeba 1996-01-09
5471399 Network management system and network status display method Yasuhiro Tanaka, Michio Suzuki, Takashi Kagei, Kohsuke Shinnai, Goro Ikeba +1 more 1995-11-28
4969190 Encrypting system of data Kazuo Takaragi, Fusao Nakagawa, Ryoichi Sasaki 1990-11-06