Assignee
Inventors
- Takahiko Kato (58 patents)
- Akira Yoshinari (22 patents)
- Shinzoo Ikeda (2 patents)
- Michiyoshi Yamamoto (3 patents)
- Hideyo Kodama (15 patents)
- Hisashi Sato (7 patents)
- Masakiyo Izumiya (12 patents)
- Yasuhisa Aono (29 patents)
US Patent 5203932 · Granted Apr 20, 1993