Assignee
Inventors
- Yuichi Kokaku (8 patents)
- Unknown
- Makoto Kitoh (9 patents)
- Shigehiko Fujimaki (11 patents)
- Satoshi Matsunuma (23 patents)
- Kenji Furusawa (23 patents)
- Nobuo Nakagawa (9 patents)
- Katsuo Abe (17 patents)
- Masaaki Hayashi (69 patents)
US Patent 5651867 · Granted Jul 29, 1997