Assignee
Inventors
- Katsumasa Harada (40 patents)
- Akio Matsushita (15 patents)
- Taku Nakamura (83 patents)
- Katsuhiko Mizutare (8 patents)
- Takafumi Hirakawa (11 patents)
- Ken Ikuno (3 patents)
- Noriaki Iwase (1 patents)
US Patent 5994553 · Granted Nov 30, 1999