Assignee
Inventors
- Hitoshi Karasawa (49 patents)
- Norio Kobayashi (61 patents)
- Tatsuya Yamaguchi (105 patents)
- Tetsumaru Kubota (35 patents)
- Yukio Kawase (3 patents)
- Mitsumasa Okada (36 patents)
- Takao Yamaguchi (155 patents)
US Patent 5575756 · Granted Nov 19, 1996