Assignee
Inventors
- Ryuji Hyodo (17 patents)
- Tetsuo Nishino (19 patents)
- Susumu Eda (12 patents)
- Katsumi Oomuro (13 patents)
- Kenji Tanaka (360 patents)
- Osamu Sekihata (22 patents)
- Hiroyuki Hatta (16 patents)
- Reiko Furuya (5 patents)
US Patent 5715239 · Granted Feb 3, 1998