Assignee
Inventors
- Toshiharu Noda (9 patents)
- Kaoru Morita (16 patents)
- Sadami Kobari (3 patents)
- Nobuaki Nakagawa (22 patents)
- Susumu Watanabe (48 patents)
- Shigeo Katsuragi (9 patents)
- Kunio Ohyama (7 patents)
- Masahiko Taniuchi (3 patents)
US Patent RE33188 · Granted Mar 27, 1990