Assignee
Inventors
- Keiko Hasebe (20 patents)
- Yuichi Hioki (39 patents)
- Osamu Tachizawa (13 patents)
- Takeshi Tomifuji (12 patents)
- Tohru Katoh (25 patents)
- Uichiro Nishimoto (15 patents)
- Yoshifumi Nishimoto (39 patents)
- Kohshiro Sotoya (27 patents)
US Patent 5728649 · Granted Mar 17, 1998