Assignee
Inventors
- Tsutomu Ishikawa (60 patents)
- Satoru Sekiguchi (23 patents)
- Hiroshi Kobori (3 patents)
- Kiyokazu Kamado (3 patents)
- Hideo Kunio (1 patents)
- Isao Ochiai (28 patents)
- Kiyoshi Takada (2 patents)
- Hiroshi Inoguchi (10 patents)
US Patent 6606174 · Granted Aug 12, 2003