Assignee
Inventors
- Hiroji Kinbara (10 patents)
- Kazuma Matsui (69 patents)
- Yoshiyuki Hattori (87 patents)
- Hideyuki Hayakawa (20 patents)
- Masaaki Takizawa (65 patents)
- Masaru Tamura (14 patents)
- Yasunobu Jufuku (20 patents)
US Patent 4515575 · Granted May 7, 1985