Assignee
Inventors
- Masato Oku (6 patents)
- Noritsugu Enomoto (19 patents)
- Hiroshi Hihara (4 patents)
- Tsuguo Sato (15 patents)
- Kazuaki Yoshida (58 patents)
- Takayuki Morikawa (18 patents)
- Takeshi Yagi (100 patents)
US Patent 5352259 · Granted Oct 4, 1994