Assignee
Inventors
- Masanao Kono (5 patents)
- Yoshihiro Hasegawa (20 patents)
- Yasutaka Nishi (16 patents)
- Yasuyoshi Sanada (3 patents)
- Tatsuji Mizuta (3 patents)
- Ryo Inoue (57 patents)
- Shinsuke Ohara (4 patents)
US Patent 5059272 · Granted Oct 22, 1991