Assignee
Inventors
- Taketo Uesugi, deceased (2 patents)
- Masaaki Kurimura (11 patents)
- Kazuhiro Shikada (2 patents)
- Kenji Koshiishi (3 patents)
- Yasuharu Maeda (7 patents)
- Masahiro Murakami (95 patents)
- Tomonori Makino (5 patents)
US Patent 6013379 · Granted Jan 11, 2000