TT

Tetsuo Takagi

SE Seiko Epson: 21 patents #845 of 7,774Top 15%
KC Koatsu Gas Kogyo Co.: 3 patents #3 of 20Top 15%
HS Hitachi Video And Information Systems: 2 patents #78 of 269Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HS Hitachi Microsoftware Systems: 2 patents #7 of 44Top 20%
IP Increment P: 1 patents #16 of 50Top 35%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
Pioneer: 1 patents #1,107 of 1,730Top 65%
HD Hitachi Displays: 1 patents #519 of 752Top 70%
TG The Nisshin Oillio Group: 1 patents #59 of 130Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #118,029 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
6577162 Step-up circuit 2003-06-10
6487123 Semiconductor integrated circuit, ink cartridge having the semiconductor integrated circuit, and inkjet recording device having the ink cartridge attached 2002-11-26
5258573 Superconductor magnetic shield Takao Sugioka, Yoshiro Saji, Hiroaki Toda, Masaru Inoue, Kohei Otani +1 more 1993-11-02
5209068 Static magnetic refrigerator Yoshiro Saji, Hiroaki Toda, Takao Sugioka, Masaru Inoue, Kohei Otani +1 more 1993-05-11
5156003 Magnetic refrigerator Saji Yoshiro, Hiroaki Toda, Takao Sugioka, Masaru Inoue, Kohei Otani +1 more 1992-10-20
4737927 Map display apparatus Kazunori Hanabusa, Yutaka Akita, Kenzo Ito 1988-04-12