TT

Takashi Toyooka

SE Seiko Epson: 45 patents #246 of 7,774Top 4%
HI Hitachi: 17 patents #2,231 of 28,497Top 8%
PH Phc Holdings: 8 patents #14 of 211Top 7%
IBM: 7 patents #14,640 of 70,183Top 25%
SY Synopsys: 2 patents #669 of 2,302Top 30%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
Overall (All Time): #22,588 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 76–80 of 80 patents

Patent #TitleCo-InventorsDate
4519049 Magnetic bubble memory having auxiliary storage loops Hirokazu Aoki, Mamoru Sugie 1985-05-21
4484309 Magnetic bubble memory device Mamoru Sugie, Hirokazu Aoki, Kazuya Kamiyama 1984-11-20
4430729 Series resonant drive circuit for magnetic bubble memory Hirokazu Aoki, Mamoru Sugie, Shigeru Yoshizawa 1984-02-07
4379341 Series resonance drive circuit for magnetic bubble memory Mamoru Sugie, Hirokazu Aoki, Shigeru Yoshizawa 1983-04-05
4247911 Drive circuit for magnetic bubble device Shigeru Yoshizawa, Hirokazu Aoki, Shinsaku Chiba, Koichi Mayama, Nobuo Saito 1981-01-27