Assignee
Inventors
- Yasuhiro Kimura (45 patents)
- Keiji Yamauchi (4 patents)
- Hidekazu Yamamoto (27 patents)
- Shigehisa Yamamoto (17 patents)
- Masafumi Katsumata (1 patents)
- Yasukazu Mukogawa (11 patents)
- Hajime Watanabe (101 patents)
US Patent 5876819 · Granted Mar 2, 1999