Assignee
Inventors
- Seiji Uchiyama (30 patents)
- Akio Noguchi (27 patents)
- Yukihide Ushio (25 patents)
- Shinpei Matsuo (3 patents)
- Youji Serizawa (2 patents)
- Makoto Takeuchi (161 patents)
- Kazurou Yamada (3 patents)
- Junichi Kato (128 patents)
US Patent 5463410 · Granted Oct 31, 1995