Assignee
Inventors
- Kenji Uchiyama (75 patents)
- Eiji Muramatsu (121 patents)
- Masaru Kamimura (6 patents)
- Shigetoshi Yamada (5 patents)
- Kenichi Maruyama (23 patents)
- Seiichi Sakura (5 patents)
- Kazuaki Furuichi (4 patents)
- Kinichi Maeda (3 patents)
US Patent 6128063 · Granted Oct 3, 2000