Assignee
Inventors
- Kazuo Ishii (159 patents)
- Eiji Yamamoto (109 patents)
- Miyuki Tanaka (23 patents)
- Hiroshi Kakuda (30 patents)
- Yasuharu Asano (50 patents)
- Hiroaki Ogawa (76 patents)
- Masanori Omote (31 patents)
- Katsuki Minamino (36 patents)
US Patent 6253174 · Granted Jun 26, 2001