Assignee
Inventors
- Akira Hasegawa (259 patents)
- Noboru Maki (12 patents)
- Shintaro Yagi (43 patents)
- Tomiko Kashiwakuma (3 patents)
- Kenjiro Yamaguchi (8 patents)
- Naoko Ikeguchi (1 patents)
- Tomoko Kobayashi (1 patents)
- Chiaki Senoo (4 patents)
US Patent 5800982 · Granted Sep 1, 1998