Assignee
Inventors
- Mitsuaki Ohtani (50 patents)
- Takaharu Matsuura (11 patents)
- Yoshinori Hamada (8 patents)
- Isamu Yamada (3 patents)
- Teruo Sakata (3 patents)
- Kimio Takahashi (42 patents)
- Morio Kishi (5 patents)
US Patent 5585501 · Granted Dec 17, 1996