Assignee
Inventors
- Senji Kaneko (1 patents)
- Takashi Shindo (14 patents)
- Atsuo Inokawa (1 patents)
- Yasushi Hoshino (6 patents)
- Takashi Otsuka (38 patents)
- Katsuhiro Wakasugi (1 patents)
- Masaru Takikawa (1 patents)
US Patent 5175134 · Granted Dec 29, 1992