YF

Yoshiaki Fukuzumi

KT Kabushiki Kaisha Toshiba: 206 patents #13 of 21,451Top 1%
Toshiba Memory: 29 patents #14 of 1,971Top 1%
Kioxia: 28 patents #10 of 1,813Top 1%
Micron: 24 patents #745 of 6,345Top 15%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
LG Lodestar Licensing Group: 1 patents #26 of 80Top 35%
UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
📍 Yokkaichi, CA: #1 of 18 inventorsTop 6%
Overall (All Time): #1,408 of 4,157,543Top 1%
291
Patents All Time

Issued Patents All Time

Showing 276–291 of 291 patents

Patent #TitleCo-InventorsDate
6906419 Semiconductor device having a wiring layer of damascene structure and method for manufacturing the same Hiroyuki Nitta, Yusuke Kohyama 2005-06-14
6894919 Magnetic random access memory 2005-05-17
6882564 Magnetic memory device having magnetic circuit and method of manufacture thereof 2005-04-19
6794696 Magnetic memory device and method of manufacturing the same 2004-09-21
6774439 Semiconductor device using fuse/anti-fuse system Yusuke Kohyama 2004-08-10
6762482 Memory device with composite contact plug and method for manufacturing the same Wen-Chung Liu, Bor-Ru Sheu 2004-07-13
6693002 Semiconductor device and its manufacture Shunji Nakamura, Akiyoshi Hatada 2004-02-17
6593180 Method of manufacturing semiconductor device Jun Lin 2003-07-15
6586794 Semiconductor device and its manufacture Shunji Nakamura, Akiyoshi Hatada 2003-07-01
6563157 Semiconductor device having rigid capacitor structure with a liner film 2003-05-13
6548844 Capacitor having a structure capable of restraining deterioration of dielectric film, semiconductor device having the capacitor and method of manufacturing the same Yusuke Kohyama 2003-04-15
6541864 Semiconductor device with tapered contact hole and wire groove 2003-04-01
6403444 Method for forming storage capacitor having undulated lower electrode for a semiconductor device Yusuke Kohyama 2002-06-11
6222722 Storage capacitor having undulated lower electrode for a semiconductor device Yusuke Kohyama 2001-04-24
6197675 Manufacturing method for semiconductor device having contact holes of different structure Yusuke Kohyama 2001-03-06
6020643 Semiconductor memory device having contact holes of differing structure Yusuke Kohyama 2000-02-01