Assignee
Inventors
- Toshio Kawamura (30 patents)
- Shogo Mizutani (3 patents)
- Akira Sato (331 patents)
- Kenichi Tsujimoto (24 patents)
- Yuuichi Kanai (1 patents)
- Mitsumasa Hasegawa (10 patents)
- Kenzo Hayashi (8 patents)
US Patent 5478055 · Granted Dec 26, 1995