Assignee
Inventors
- Noriaki Ohnishi (11 patents)
- Toshiyuki Hirai (31 patents)
- Nobuaki Yamada (83 patents)
- Shiuchi Kozaki (2 patents)
- David Coates (176 patents)
- Emma Brown (16 patents)
- Bernhardt Rieger (1 patents)
- Yukiomi Tanaka (23 patents)
US Patent 5804609 · Granted Sep 8, 1998