Assignee
Inventors
- Yasuyuki Watanabe (125 patents)
- Naohito Saito (17 patents)
- Nansei Tashiro (5 patents)
- Katsuji Takahashi (25 patents)
- Shinji Shimizu (59 patents)
- Yasuhiko Kojima (68 patents)
- Koji Oe (8 patents)
US Patent 6509133 · Granted Jan 21, 2003