Assignee
Inventors
- Jiro Moriyama (142 patents)
- Yutaka Koizumi (115 patents)
- Hisashi Fukushima (61 patents)
- Toshiaki Hirosawa (81 patents)
- Torachika Osada (51 patents)
- Unknown
- Hidemi Kubota (46 patents)
- Masami Izumizaki (30 patents)
US Patent 5646659 · Granted Jul 8, 1997