Assignee
Inventors
- Takao Yoshioka (36 patents)
- Takashi Fujita (340 patents)
- Tsutomu Kanai (4 patents)
- Kanichi Nakamura (2 patents)
- Hiroyoshi Horikoshi (30 patents)
- Kunihiro Sasahara (1 patents)
- Takeshi Kinoshita (6 patents)
US Patent 5143930 · Granted Sep 1, 1992