Assignee
Inventors
- Sachio Matsuo (2 patents)
- Toshiaki Shiota (6 patents)
- Maki Itoh (25 patents)
- Hideo Kawaguchi (31 patents)
- Hiroki Hanabata (2 patents)
- Yukihiro Yoshikawa (14 patents)
- Takao Taka (6 patents)
- Kiyoyuki Fukui (8 patents)
US Patent 5141822 · Granted Aug 25, 1992