Assignee
Inventors
- Takahiro Kubo (55 patents)
- Masashi Suda (10 patents)
- Yoshihiro Murasawa (25 patents)
- Takashi Hasegawa (305 patents)
- Satoshi Tamura (84 patents)
- Hisashi Fukushima (61 patents)
- Takeshi Menjo (36 patents)
US Patent 5589920 · Granted Dec 31, 1996