Assignee
Inventors
- Tomio Takeuchi (160 patents)
- Shinichi Kondo (60 patents)
- Daishiro Ikeda (18 patents)
- Yoshiyuki Koyama (9 patents)
- Keiichi Ajito (17 patents)
- Kazuo Umezawa (8 patents)
- Sonoko Hirose (1 patents)
US Patent 5003055 · Granted Mar 26, 1991