Assignee
Inventors
- Akihiro Sakayori (3 patents)
- Takao Kuwabara (69 patents)
- Akira Brando (1 patents)
- Yasuteru Oono (10 patents)
- Shigeaki Hayashi (20 patents)
- Isao Yokoyama (15 patents)
- Kenzyu Ogiwara (3 patents)
US Patent 4816696 · Granted Mar 28, 1989