Assignee
Inventors
- Eiichi Oya (19 patents)
- Junichi Watanabe (92 patents)
- Yasuo Kondo (11 patents)
- Takuya Kakuta (14 patents)
- Koichi Suzuki (307 patents)
- Tsutomu Nawamaki (46 patents)
- Shigeomi Watanabe (27 patents)
US Patent RE34779 · Granted Nov 8, 1994