Assignee
Inventors
- Kaori Tosa (3 patents)
- Yoshiyuki Hama (1 patents)
- Kouichi Yamamoto (35 patents)
- Ryuuji Akiyama (5 patents)
- Masakazu Yoshida (52 patents)
- Hiroshi Yagi (2 patents)
- Kazuhisa Shigemori (11 patents)
- Tomomi Sakamoto (9 patents)
US Patent 5538691 · Granted Jul 23, 1996