Assignee
Inventors
- Hironao Fujiki (88 patents)
- Shigeki Shudo (24 patents)
- Akira Matsuda (76 patents)
- Yasushi Yamamoto (241 patents)
- Noboru Shimamoto (15 patents)
- Eiji Kuchiki (4 patents)
- Yuji Fujita (111 patents)
US Patent 5418065 · Granted May 23, 1995