Assignee
Inventors
- Kenji Tozu (46 patents)
- Norio Yamazaki (33 patents)
- Jun Mihara (25 patents)
- Takayuki Itoh (80 patents)
- Yoshiharu Nishizawa (4 patents)
- Seiichi Kojima (11 patents)
- Hiromu Kuromitsu (18 patents)
US Patent 5711585 · Granted Jan 27, 1998