Assignee
Inventors
- Katuya Sano (1 patents)
- Takeshi Hasegawa (80 patents)
- Kiyoshi Kittaka (6 patents)
- Atushi Sakuraoka (1 patents)
- Katsuji Kitagawa (13 patents)
- Tetsuo Miyake (11 patents)
- Kazutomo Moriguchi (4 patents)
US Patent 5047439 · Granted Sep 10, 1991