Assignee
Inventors
- Yoshio Kato (64 patents)
- Motoharu Niki (22 patents)
- Tsutomu Mizutani (5 patents)
- Tadahisa Suzuki (3 patents)
- Yoshiaki Suzuki (216 patents)
- Masahiro Muranaka (10 patents)
- Takahiro Koremoto (6 patents)
- Masao Fukuwaka (4 patents)
US Patent 5725448 · Granted Mar 10, 1998