Assignee
Inventors
- Takeo Tsunoda (2 patents)
- Setsu Takeo (1 patents)
- Tatsuya Nobusawa (5 patents)
- Norihide Enomoto (24 patents)
- Hiroyasu Takahashi (34 patents)
- Minoru Watanabe (234 patents)
- Yutaka Sasaki (114 patents)
- Kunihiro Tanaka (24 patents)
US Patent 4976941 · Granted Dec 11, 1990