Assignee
Inventors
- Reiko Norizuki (11 patents)
- Ryuji Hyodo (17 patents)
- Susumu Eda (12 patents)
- Kenji Tanaka (360 patents)
- Katsumi Oomuro (13 patents)
- Osamu Sekihata (22 patents)
- Hiroyuki Hatta (16 patents)
- Tetsuo Nishino (19 patents)
US Patent 5675574 · Granted Oct 7, 1997