NY

Natsuki Yokoyama

HI Hitachi: 30 patents #925 of 28,497Top 4%
RT Renesas Technology: 16 patents #96 of 3,337Top 3%
RE Renesas Electronics: 10 patents #332 of 4,529Top 8%
HC Hitachi Ulsi Systems Co.: 5 patents #151 of 867Top 20%
HD Hitachi Power Semiconductor Device: 2 patents #16 of 79Top 25%
FL Fujitsu Ten Limited: 1 patents #456 of 996Top 50%
HE Hitachi Vlsi Engineering: 1 patents #390 of 666Top 60%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
Overall (All Time): #38,164 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 1–25 of 61 patents

Patent #TitleCo-InventorsDate
10458493 Control device and control method Sumiaki Hashimoto 2019-10-29
9755014 Semiconductor device with substantially equal impurity concentration JTE regions in a vicinity of a junction depth Kazuhiro Mochizuki, Hidekatsu Onose, Norifumi Kameshiro 2017-09-05
9543395 Normally-off power JFET and manufacturing method thereof Koichi Arai, Yasuaki Kagotoshi, Nobuo Machida, Haruka Shimizu 2017-01-10
9478605 Semiconductor device with similar impurity concentration JTE regions Kazuhiro Mochizuki, Hidekatsu Onose, Norifumi Kameshiro 2016-10-25
9449814 Manufacturing method of semiconductor device Tomoyuki Someya 2016-09-20
9406743 Semiconductor device with counter doped layer Yasuaki Kagotoshi, Koichi Arai, Haruka Shimizu 2016-08-02
9293453 Electronic circuit device Haruka Shimizu 2016-03-22
9159562 Trench type Schottky junction semiconductor device and manufacturing method thereof Kumiko Konishi, Norifumi Kameshiro 2015-10-13
9048264 Manufacturing method of semiconductor device and semiconductor device Yasuaki Kagotoshi, Koichi Arai, Haruka Shimizu 2015-06-02
9041049 Power JFET Koichi Arai, Yasuaki Kagotoshi, Nobuo Machida, Haruka Shimizu 2015-05-26
8890278 Semiconductor device Norifumi Kameshiro 2014-11-18
8872191 Electronic circuit device Haruka Shimizu 2014-10-28
8766277 Semiconductor device and manufacturing method of the same Haruka Shimizu 2014-07-01
8564060 Semiconductor device with large blocking voltage and manufacturing method thereof Haruka Shimizu 2013-10-22
8524552 Normally-off power JFET and manufacturing method thereof Koichi Arai, Yasuaki Kagotoshi, Nobuo Machida, Haruka Shimizu 2013-09-03
8445352 Manufacturing method of semiconductor device Tomoyuki Someya 2013-05-21
8436397 Semiconductor device including normally-off type junction transistor and method of manufacturing the same Haruka Shimizu 2013-05-07
8390001 Electronic circuit device Haruka Shimizu 2013-03-05
8203150 Silicon carbide semiconductor substrate and method of manufacturing the same Toshiyuki Ohno, Hajime Goto 2012-06-19
8129802 Integrated micro electro-mechanical system and manufacturing method thereof Hiroshi Fukuda, Tsukasa Fujimori, Yuko Hanaoka, Takafumi Matsumura 2012-03-06
7906796 Bipolar device and fabrication method thereof Kazuhiro Mochizuki, Hidekatsu Onose 2011-03-15
7772613 Semiconductor device with large blocking voltage and method of manufacturing the same Haruka Shimizu 2010-08-10
7682990 Method of manufacturing nonvolatile semiconductor memory device Hirotaka Hamamura, Toshiyuki Mine 2010-03-23
7603194 Fabrication system and fabrication method Yoshifumi Kawamoto, Eiichi Murakami, Fumihiko Uchida, Kenichi Mizuishi, Yoshio Kawamura 2009-10-13
7451656 Semiconductor device embedded with pressure sensor and manufacturing method thereof Shuntaro Machida, Yasushi Goto 2008-11-18