Assignee
Inventors
- Hiroshi Kuroda (100 patents)
- Tsukasa Nishimura (24 patents)
- Masakatsu Nishimura (12 patents)
- Taiki Hashimoto (2 patents)
- Osamu Kanda (8 patents)
- Shigeru Nozawa (9 patents)
- Kenji Shibata (132 patents)
US Patent 4687649 · Granted Aug 18, 1987