Assignee
Inventors
- Shinsuke Morikawa (14 patents)
- Hidekazu Okamoto (81 patents)
- Keiichi Ohnishi (17 patents)
- Toru Shimoyama (5 patents)
- Naoko Wada (2 patents)
- Yoshio Sato (91 patents)
- Hideyuki Kurata (1 patents)
US Patent 5663543 · Granted Sep 2, 1997