KO

Koichi Ohto

NE Nec Electronics: 20 patents #11 of 1,789Top 1%
RE Renesas Electronics: 9 patents #397 of 4,529Top 9%
NE Nec: 5 patents #2,830 of 14,502Top 20%
Overall (All Time): #119,434 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 25 most recent of 31 patents

Patent #TitleCo-InventorsDate
8749058 Semiconductor device and manufacturing method thereof Tatsuya Usami, Hideaki Tsuchiya, Yukio Miura, Tomoyuki Nakamura, Chikako Ohto +1 more 2014-06-10
8642467 Semiconductor device having silicon-diffused metal wiring layer and its manufacturing method Toshiyuki Takewaki, Tatsuya Usami, Nobuyuki Yamanishi 2014-02-04
8486836 Semiconductor device and method of manufacturing the same Daisuke Oshida, Toshiyuki Takewaki, Takuji Onuma 2013-07-16
8435828 Method of manufacturing semiconductor device Hironori Yamamoto, Yoshihiro Hayashi, Jun Kawahara, Tatsuya Usami 2013-05-07
8115318 Semiconductor device having silicon-diffused metal wiring layer and its manufacturing method Toshiyuki Takewaki, Tatsuya Usami, Nobuyuki Yamanishi 2012-02-14
8030737 Semiconductor device and method of manufacturing the same Daisuke Oshida, Toshiyuki Takewaki, Takuji Onuma 2011-10-04
7910474 Method of manufacturing a semiconductor device Tatsuya Usami, Noboru Morita, Kazuhiko Endo 2011-03-22
7897475 Semiconductor device having projection on lower electrode and method for forming the same Daisuke Oshida, Toshiyuki Takewaki, Takuji Onuma 2011-03-01
7842602 Semiconductor device having silicon-diffused metal wiring layer and its manufacturing method Toshiyuki Takewaki, Tatsuya Usami, Nobuyuki Yamanishi 2010-11-30
7833901 Method for manufacturing a semiconductor device having a multi-layered insulating structure of SiOCH layers and an SiO2 layer Tatsuya Usami, Noboru Morita, Sadayuki Ohnishi, Koji Arita, Ryohei Kitao +1 more 2010-11-16
7763979 Organic insulating film, manufacturing method thereof, semiconductor device using such organic insulating film and manufacturing method thereof Tatsuya Usami, Noboru Morita, Kazuhiko Endo 2010-07-27
7745937 Semiconductor device and method of manufacturing the same Tatsuya Usami, Toshiyuki Takewaki 2010-06-29
7737555 Semiconductor method having silicon-diffused metal wiring layer Toshiyuki Takewaki, Tatsuya Usami, Nobuyuki Yamanishi 2010-06-15
7687917 Single damascene structure semiconductor device having silicon-diffused metal wiring layer Toshiyuki Takewaki, Tatsuya Usami, Nobuyuki Yamanishi 2010-03-30
7649258 Semiconductor device Tatsuya Usami 2010-01-19
7615498 Method of manufacturing a semiconductor device Yoichi Sasaki, Noboru Morita, Tatsuya Usami, Hidenobu Miyamoto 2009-11-10
7563705 Manufacturing method of semiconductor device Takashi TONEGAWA, Koji Arita, Tatsuya Usami, Noboru Morita, Yoichi Sasaki +2 more 2009-07-21
7564132 Semiconductor chip Tatsuya Usami 2009-07-21
7557447 Semiconductor device and method for manufacturing same Tatsuya Usami 2009-07-07
7531891 Semiconductor device Tatsuya Usami, Yoichi Sasaki 2009-05-12
7473630 Semiconductor device and method for manufacturing same Tatsuya Usami, Noboru Morita 2009-01-06
7391115 Semiconductor device and manufacturing method thereof Tatsuya Usami, Noboru Morita, Kazuhiko Endo 2008-06-24
7268087 Manufacturing method of semiconductor device Hidemitsu Aoki, Hiroaki Tomimori, Norio Okada, Tatsuya Usami, Takamasa Tanikuni 2007-09-11
7180191 Semiconductor device and method of manufacturing a semiconductor device Yoichi Sasaki, Noboru Morita, Tatsuya Usami, Hidenobu Miyamoto 2007-02-20
7135776 Semiconductor device and method for manufacturing same Tatsuya Usami, Noboru Morita 2006-11-14