Assignee
Inventors
- Kei Sawanaka (13 patents)
- Masao Ando (74 patents)
- Takayasu Yuminamochi (22 patents)
- Tomio Noguchi (53 patents)
- Minoru Matsuguma (16 patents)
- Masaru Shimura (67 patents)
- Kenji Kanari (24 patents)
US Patent 6493534 · Granted Dec 10, 2002