Assignee
Inventors
- Takaaki Murai (14 patents)
- Shoji Watanabe (63 patents)
- Kimio Inoue (33 patents)
- Tomohisa Isobe (17 patents)
- Naoki Nakashima (10 patents)
- Takuya Miho (10 patents)
- Yoshiyuki Ikemoto (8 patents)
US Patent 4835213 · Granted May 30, 1989