Assignee
Inventors
- Hideki Watanabe (177 patents)
- Tsutomu Imai (44 patents)
- Takeshi Yamaguchi (283 patents)
- Tositada Netsu (5 patents)
- Kenichi Kasai (30 patents)
- Fumio Imahashi (2 patents)
- Satoru Ezaki (5 patents)
- Mitugu Shirai (19 patents)
US Patent 5926375 · Granted Jul 20, 1999