Assignee
Inventors
- Yoichi Shimazawa (28 patents)
- Hideo Matsuda (51 patents)
- Yasutaka Maeda (35 patents)
- Shunju Anzai (19 patents)
- Osamu Fujimoto (74 patents)
- Hidekazu Sakagami (21 patents)
- Kazumi Irie (4 patents)
US Patent 6240271 · Granted May 29, 2001