Assignee
Inventors
- Minoru Hozuka (10 patents)
- Yoshio Nakagaki (6 patents)
- Shinichi Sano (23 patents)
- Katsumi Takaba (12 patents)
- Unknown
- Atsushi Hattori (32 patents)
- Akiyoshi Tsuchiya (24 patents)
- Hiroyuki Enomoto (37 patents)
- Keiichi Osawa (4 patents)