Assignee
Inventors
- Takeki Okumoto (3 patents)
- Kenji Chiba (16 patents)
- Yukio Hoshino (5 patents)
- Hirotsugu Komatsu (6 patents)
- Mariko Nagasawa (1 patents)
- Hidekazu Aratani (1 patents)
- Michio Terasawa (10 patents)
- Minoru Moriwaki (33 patents)
US Patent 5686479 · Granted Nov 11, 1997