Assignee
Inventors
- Kazuyuki Ito (78 patents)
- Kyuzo Nakamura (43 patents)
- Michio Ishikawa (37 patents)
- Jun Togawa (2 patents)
- Noriaki Tani (23 patents)
- Masanori Hashimoto (82 patents)
- Yumiko Ohashi (17 patents)
US Patent 5840374 · Granted Nov 24, 1998