Assignee
Inventors
- Tsutomu Iikawa (8 patents)
- Takeaki Sakai (1 patents)
- Isao Kawamura (7 patents)
- Katsuhide Natori (8 patents)
- Takeshi Nagai (145 patents)
- Shigeki Okamoto (4 patents)
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Skip to contentUS Patent 4760240 · Granted Jul 26, 1988