Assignee
Inventors
- Yasuyuki Tahara (14 patents)
- Akihiko Ohsuga (15 patents)
- Yasuo Nagai (28 patents)
- Akira Kagaya (2 patents)
- Masanori Hattori (20 patents)
- Yutaka Irie (29 patents)
- Shinichi Honiden (11 patents)
US Patent 6134580 · Granted Oct 17, 2000