HK

Haruhiko Koyama

KT Kabushiki Kaisha Toshiba: 13 patents #2,297 of 21,451Top 15%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
Toshiba Memory: 1 patents #1,210 of 1,971Top 65%
Overall (All Time): #196,563 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
9773859 Non-volatile memory device 2017-09-26
9165732 Gas circuit breaker Hirokazu Otani, Toru Yamashita, Daisuke Yoshida 2015-10-20
9065268 Inrush-current suppressing device and inrush-current suppressing method Tomohito Mori, Aya Yamamoto 2015-06-23
8884353 Semiconductor memory device including a stacked gate having a charge storage layer and a control gate, and method of manufacturing the same Daisuke Tsurumi, Mitsuhiro Noguchi 2014-11-11
8502298 Semiconductor device and method of manufacturing the same 2013-08-06
8304910 Semiconductor device and method of producing the same 2012-11-06
8294238 Nonvolatile semiconductor memory device with reduced size of peripheral circuit area Hiroyuki Kutsukake, Takayuki Toba, Yoshiko Kato, Kenji Gomikawa 2012-10-23
8189360 Semiconductor memory device 2012-05-29
8008810 Phase-control switching apparatus and switching control method for phase-control switching apparatus Sadayuki Kinoshita, Kenji Kamei, Tomohito Mori 2011-08-30
7952132 Semiconductor memory device including a stacked gate having a charge storage layer and a control gate, and method of manufacturing the same Daisuke Tsurumi, Mitsuhiro Noguchi 2011-05-31
7943478 Semiconductor device manufacturing method Mitsuhiro Noguchi, Minori Kajimoto 2011-05-17
7936093 Phase control switching device Sadayuki Kinoshita, Kenji Kamei, Tomohito Mori 2011-05-03
7893517 Semiconductor device with block layer and method of manufacturing the same 2011-02-22
7787228 Switchgear control apparatus Tomohito Mori, Kenji Kamei, Sadayuki Kinoshita 2010-08-31
7741937 Power switching apparatus and method of controlling the same Tomohito Mori 2010-06-22
7711502 Power switching control apparatus Tomohito Mori, Kenji Kamei, Sadayuki Kinoshita 2010-05-04
7652319 Semiconductor memory device including a stacked gate having a charge storage layer and a control gate, and method of manufacturing the same Daisuke Tsurumi, Mitsuhiro Noguchi 2010-01-26
7616419 Switchgear control apparatus Tomohito Mori, Kenji Kamei, Sadayuki Kinoshita 2009-11-10
7585742 Semiconductor device manufacturing method Mitsuhiro Noguchi, Minori Kajimoto 2009-09-08
6897502 Semiconductor memory device and its manufacturing method Shinichi Watanabe, Toyota Morimoto, Tohru Ozaki 2005-05-24
5916733 Method of fabricating a semiconductor device 1999-06-29
5555520 Trench capacitor cells for a dram having single monocrystalline capacitor electrode Akira Sudo, Yusuke Kohyama 1996-09-10