YT

Yasuhiko Takahashi

NS Nippon Steel: 11 patents #170 of 4,423Top 4%
RT Renesas Technology: 10 patents #254 of 3,337Top 8%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
RE Renesas Electronics: 8 patents #458 of 4,529Top 15%
UM United Microelectronics: 6 patents #927 of 4,560Top 25%
SC Sumitomo Chemical: 4 patents #1,124 of 4,033Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TD Toshiba Storage Device: 1 patents #44 of 150Top 30%
KC Kojima Press Industry Co.: 1 patents #38 of 143Top 30%
TA Tac: 1 patents #4 of 9Top 45%
TC Tatsuta Electric Wire & Cable Co.: 1 patents #52 of 100Top 55%
Overall (All Time): #45,698 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 26–50 of 55 patents

Patent #TitleCo-InventorsDate
7239470 Heater control method and storage apparatus Yoshihiro Amemiya 2007-07-03
7110283 Semiconductor memory device and semiconductor integrated circuit Takayuki Tanaka 2006-09-19
7091598 Electronic circuit device Ryo Fujita, Osamu Kubo, Kouki Noguchi, Masaharu Kubo, Michihiro Mishima 2006-08-15
7038486 Semiconductor integrated circuit device Satoshi Aoyama, Atsuhiro Hayashi 2006-05-02
7006314 Magnetic head driver circuit and magnetic storage device 2006-02-28
6947239 Magnetic storage device equipped with write driver circuit capable of performing impedance matching by a simple circuit 2005-09-20
6788616 Semiconductor memory device 2004-09-07
6785853 Integration type input circuit and method of testing it 2004-08-31
6683736 Method detecting a fault of a magnetic recording head, and a magnetic recording device 2004-01-27
6606277 Semiconductor memory device 2003-08-12
6577181 Clock signal generating circuit using variable delay circuit 2003-06-10
6506295 Cathodic protection method and device for metal structure Masahiro Takahashi, Eisuke Wada 2003-01-14
6507447 Magnetic information storage device having a high-sensitivity magnetic sensor and a signal processing circuit processing an output of the high-sensitivity magnetic sensor 2003-01-14
6470466 Integration type input circuit and method of testing it 2002-10-22
6448832 Variable delay circuit 2002-09-10
6346843 Clock signal generating circuit using variable delay circuit 2002-02-12
6265903 Clock signal generating circuit using variable delay circuit 2001-07-24
6265869 Method of detecting thermal asperity of magnetic storage device and circuit thereof 2001-07-24
6114872 Differential input circuit 2000-09-05
6070257 Integration type input circuit and method of testing it 2000-05-30
6037824 Signal input circuit 2000-03-14
5990714 Clock signal generating circuit using variable delay circuit 1999-11-23
5954938 Simplified cathodic corrosion protection method and apparatus for metal structure Masahiro Takahashi 1999-09-21
5848007 Redundancy circuit for semiconductor storage apparatus 1998-12-08
5519649 Micro-processor having rapid condition comparison function 1996-05-21