Assignee
Inventors
- Shokichi Imaizumi (1 patents)
- Tsuyoshi Aoyama (12 patents)
- Nagao Hori (1 patents)
- Katsumi Takenami (1 patents)
- Kiyoshi Koibuchi (6 patents)
- Youich Ishikawa (1 patents)
- Seiji Kazama (3 patents)
- Koji Nasu (10 patents)
US Patent 5366549 · Granted Nov 22, 1994