Assignee
No assignee recorded.
Inventors
- Unknown
- Shunjiro Sugimoto (3 patents)
- Masafumi Tsujimoto (11 patents)
- Hounai Shirasawa (2 patents)
- Tsutomu Okada (77 patents)
- Unknown
- Tattanahalli L. Nagabhushan (25 patents)
- Paul P. Trotta (13 patents)
US Patent 4828990 · Granted May 9, 1989
No assignee recorded.