Assignee
Inventors
- Tsutomu Okutomi (27 patents)
- Tsuneyo Seki (20 patents)
- Iwao Ohshima (18 patents)
- Mitsutaka Homma (9 patents)
- Hiromichi Somei (6 patents)
- Kumi Uchiyama (3 patents)
- Yoshimitsu Niwa (2 patents)
- Kenji Watanabe (472 patents)
US Patent 6080952 · Granted Jun 27, 2000