Assignee
Inventors
- Shigeo Itoh (86 patents)
- Takahiro Niiyama (19 patents)
- Masaharu Tomita (10 patents)
- Yoshitaka Kagawa (5 patents)
- Akira Inoue (404 patents)
- Junji Itoh (25 patents)
- Seigo Kanemaru (15 patents)
US Patent 6163107 · Granted Dec 19, 2000