SY

Shigeru Yoshizawa

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HK Hino Jidosha Kogyo Kabushiki Kaisha: 2 patents #6 of 73Top 9%
SC Sanwa Seiki Mfg. Co.: 2 patents #2 of 9Top 25%
AC Akebono Brake Industry Co.: 1 patents #169 of 376Top 45%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Overall (All Time): #588,714 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6230851 Air disc brake Kazuyuki Sakai 2001-05-15
4430729 Series resonant drive circuit for magnetic bubble memory Takashi Toyooka, Hirokazu Aoki, Mamoru Sugie 1984-02-07
4379341 Series resonance drive circuit for magnetic bubble memory Takashi Toyooka, Mamoru Sugie, Hirokazu Aoki 1983-04-05
4305366 Injection timing control system for fuel-injection pump for engine Kazunari Imasato, Takayuki Suzuki 1981-12-15
4305367 Injection timing control system for fuel-injection pump for engine Kazunari Imasato, Tadakazu Shiozaki 1981-12-15
4291241 Timing signal generating circuit Koichi Mayama, Noboru Yamaguchi, Mamoru Sugie, Yuzo Kita 1981-09-22
4290117 Memory device with circulating storage loops Mamoru Sugie, Noboru Yamaguchi, Koichi Mayama, Yuzo Kita, Nobuo Saito +1 more 1981-09-15
4247911 Drive circuit for magnetic bubble device Hirokazu Aoki, Shinsaku Chiba, Koichi Mayama, Takashi Toyooka, Nobuo Saito 1981-01-27
4233668 Method and apparatus for testing a magnetic bubble memory Nakahiko Yamaguchi, Susumu Hibi, Shoji Yoshimoto, Akira Kobayashi 1980-11-11