Assignee
Inventors
- Hiroyuki Taya (14 patents)
- Mikio Yoshinuma (13 patents)
- Takeshi Yamada (206 patents)
- Kenji Nishide (8 patents)
- Fumio Suzuki (88 patents)
- Hirohisa Fujimoto (3 patents)
- Ryozo Yamauchi (27 patents)
US Patent 5024501 · Granted Jun 18, 1991