Assignee
Inventors
- Junichi Onodera (15 patents)
- Masamichi Nakajima (13 patents)
- Asao Kosakai (5 patents)
- Masayuki Kobayashi (160 patents)
- Hayato Denda (9 patents)
- Seiji Matsunaga (10 patents)
- Toru Aida (38 patents)
US Patent 6061040 · Granted May 9, 2000