Assignee
Inventors
- Kuniaki Ogura (22 patents)
- Hiroyuki Ishikawa (148 patents)
- Takeo Omura (2 patents)
- Yoshiaki Maeda (36 patents)
- Minoru Nitta (29 patents)
- Hiroshi Ohtsubo (24 patents)
- Yutaka Yoshii (8 patents)
US Patent 5458670 · Granted Oct 17, 1995