Assignee
Inventors
- Michio Asano (32 patents)
- Masamichi Sukegawa (31 patents)
- Hirokazu Yukawa (14 patents)
- Tetsuo Shimizu (168 patents)
- Shoji Kawachi (23 patents)
- Shingo Tanigawa (6 patents)
- Masayuki Tsuji (96 patents)
US Patent 6037402 · Granted Mar 14, 2000