Assignee
Inventors
- Takashi Okada (367 patents)
- Makoto Hanaya (4 patents)
- Akitaka Hattori (3 patents)
- Takanori Miyake (12 patents)
- Nobuo Nagira (3 patents)
- Shunya Ikumi (2 patents)
- Takashi Hori (91 patents)
- Norimasa Mizui (3 patents)
US Patent 6057482 · Granted May 2, 2000