Assignee
Inventors
- Satoshi Watanabe (396 patents)
- Masaki Sagoh (5 patents)
- Yasufumi Takada (5 patents)
- Yosato Hitaka (22 patents)
- Hajime Satow (2 patents)
- Yoshiro Hikida (6 patents)
- Naohiro Yoshikawa (10 patents)
US Patent 6151019 · Granted Nov 21, 2000