Assignee
Inventors
- Toshirou Kasamura (22 patents)
- Masafumi Takagi (11 patents)
- Naoki Okuda (15 patents)
- Masashi Ohashi (22 patents)
- Toshihiko Kusumoto (22 patents)
- Nobukazu Sasaki (22 patents)
- Yasunori Maeda (9 patents)
- Masamichi Ikeda (6 patents)
US Patent 4841329 · Granted Jun 20, 1989