Assignee
Inventors
- Isao Hashimoto (58 patents)
- Tatsuyodihi Ishida (2 patents)
- Kazutaka Tsuru (15 patents)
- Yuji Yamada (23 patents)
- Takeshige Miyazawa (32 patents)
- Yasuo Nakamura (5 patents)
- Susumu Katou (8 patents)
- Katsuya Takahashi (31 patents)
US Patent 5112385 · Granted May 12, 1992