Assignee
Inventors
- Shigeyoshi Ishiguro (9 patents)
- Kenji Terada (42 patents)
- Yoshimasa Ushioda (3 patents)
- Akio Sakaguchi (14 patents)
- Hisaaki Kura (41 patents)
- Katsuhiro Suzuki (92 patents)
- Masaru Komatsu (15 patents)
US Patent 6322453 · Granted Nov 27, 2001