TT

Takeshi Tokuyama

HS Hitachi Automotive Systems: 25 patents #21 of 1,636Top 2%
HI Hitachi: 23 patents #1,433 of 28,497Top 6%
HA Hitachi Astemo: 7 patents #64 of 1,276Top 6%
IBM: 5 patents #18,733 of 70,183Top 30%
TK Tanaka Denshi Kogyo K. K.: 1 patents #18 of 31Top 60%
Overall (All Time): #37,523 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
8064234 Power conversion apparatus Kinya Nakatsu, Ryuichi Saito 2011-11-22
7978471 Electric power conversion apparatus Kinya Nakatsu, Ryuichi Saito, Keisuke Horiuchi, Toshiya Satoh, Hideki Miyazaki 2011-07-12
7968925 Power semiconductor module for inverter circuit system Kinya Nakatsu, Ryuichi Saito 2011-06-28
7961472 Electric circuit device, electric circuit module, and power converter Kinya Nakatsu, Atsushi Kawabata 2011-06-14
7812443 Power semiconductor module for inverter circuit system Kinya Nakatsu, Ryuichi Saito 2010-10-12
6492593 Gold wire for semiconductor element connection and semiconductor element connection method Hiroshi Murai, Shuichi Mitoma, Mitutomo Motomura 2002-12-10
5991752 Method and apparatus for deriving association rules from data and for segmenting rectilinear regions Takeshi Fukuda, Kunikazu Yoda, Shinichi Morishita 1999-11-23
5983222 Method and apparatus for computing association rules for data mining in large database Yasuhiko MORIMOTO, Takeshi Fukuda, Shinichi Morishida 1999-11-09
5870748 Method and apparatus for deriving an optimized confidence rule Yasuhiko MORIMOTO, Takeshi Fukuda, Shinichi Morishida 1999-02-09
5812997 Method and apparatus for deriving an association rule between data Yasuhiko MORIMOTO, Takeshi Fukuda, Shinichi Morishita 1998-09-22
5729628 Image segmenting method and apparatus 1998-03-17