YI

Yoshiyuki Ishigaki

Mitsubishi Electric: 22 patents #842 of 25,717Top 4%
RT Renesas Technology: 11 patents #212 of 3,337Top 7%
RE Renesas Electronics: 4 patents #1,016 of 4,529Top 25%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
📍 Kawasaki, MO: #3 of 12 inventorsTop 25%
Overall (All Time): #86,819 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
9312267 Semiconductor device 2016-04-12
8908419 Semiconductor storage device and method of fabricating the same Hidemoto Tomita, Shigeki Ohbayashi 2014-12-09
8422274 Semiconductor storage device and method of fabricating the same Hidemoto Tomita, Shigeki Ohbayashi 2013-04-16
8395932 Semiconductor storage device and method of fabricating the same Hidemoto Tomita, Shigeki Ohbayashi 2013-03-12
7321152 Thin-film transistor and method of fabricating the same Shigeto Maegawa, Takashi Ipposhi, Toshiaki Iwamatsu, Shigenobu Maeda, Il Jung Kim +4 more 2008-01-22
7187040 Thin-film transistor and method of fabricating the same Shigeto Maegawa, Takashi Ipposhi, Toshiaki Iwamatsu, Shigenobu Maeda, Il Jung Kim +4 more 2007-03-06
7112854 Thin-film transistor and method of fabricating the same Shigeto Maegawa, Takashi Ipposhi, Toshiaki Iwamatsu, Shigenobu Maeda, Il Jung Kim +4 more 2006-09-26
6936878 Semiconductor memory device with reduced memory cell area Yasushi Nakashima, Takashi Izutsu 2005-08-30
6891743 Semiconductor memory device having a capacitive plate to reduce soft errors Shigeki Ohbayashi, Takahiro Yokoyama 2005-05-10
6853022 Semiconductor memory device Tsuyoshi Koga, Motoi Ashida, Yukio Maki, Yasuhiro Fujii, Tomohiro Hosokawa +3 more 2005-02-08
6831852 Semiconductor memory device having a latch circuit and storage capacitor Tsuyoshi Koga, Yasuhiro Fujii 2004-12-14
6812534 Static semiconductor memory device Tomohiro Hosokawa, Yukio Maki 2004-11-02
6812574 Semiconductor storage device and method of fabricating the same Hidemoto Tomita, Shigeki Ohbayashi 2004-11-02
6781869 Semiconductor memory Shigeki Ohbayashi, Takahiro Yokoyama 2004-08-24
6774441 Semiconductor device having an MIS transistor Yukio Maki, Yasuhiro Fujii 2004-08-10
6632716 Semiconductor device and manufacturing method thereof 2003-10-14
6404024 Semiconductor device 2002-06-11
6271569 Semiconductor device having memory cells and method of manufacturing the same Hiroki Honda 2001-08-07
6268627 Semiconductor device having impurity regions with varying impurity concentrations Yasuhiro Fujii 2001-07-31
6242297 Semiconductor device having an improved interconnection and method for fabricating the same 2001-06-05
6236117 Semiconductor memory device including shunt interconnection Hiroki Honda 2001-05-22
6198149 Semiconductor device having novel insulating film structure 2001-03-06
6147387 Static random access memory 2000-11-14
6097103 Semiconductor device having an improved interconnection and method for fabricating the same 2000-08-01
5994719 SRAM semiconductor device Hirotada Kuriyama, Masahiro Ishida 1999-11-30