Assignee
Inventors
- Ryuji Watanabe (37 patents)
- Takeyuki Itabashi (33 patents)
- Osamu Miura (28 patents)
- Akio Takahashi (174 patents)
- Yukio Ookoshi (5 patents)
- Hitoshi Suzuki (369 patents)
- Masahiro Suzuki (397 patents)
- Tsutomu Imai (44 patents)
US Patent 6326561 · Granted Dec 4, 2001