Assignee
Inventors
- Ryoji Ohgake (5 patents)
- Mitsuo Okada (27 patents)
- Hiroyuki Takashima (17 patents)
- Toshishige Kurosawa (3 patents)
- Takashi Kurosawa (16 patents)
- Seiji Oda (1 patents)
- Niro Takemasa (1 patents)
- Kousaku Okamura (2 patents)
US Patent 5340596 · Granted Aug 23, 1994