Yasumoto; Seiichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yasumoto; Seiichi.The latest application filed is for "method of locating fault of communication system".
- Yasumoto; Seiichi - Hitachi JP
- Yasumoto; Seiichi - Ibaraki JP
| Patent | Date |
|---|---|
| Method of locating fault of communication system Grant 5,706,422 - Maruyama , et al. January 6, 1 | 1998-01-06 |
| Image display apparatus capable of selective and partial erasure of information Grant 4,752,773 - Togawa , et al. June 21, 1 | 1988-06-21 |
| Method of detecting recovery from fault in a data transmission system which effects loopback control Grant 4,704,714 - Tomizawa , et al. November 3, 1 | 1987-11-03 |
| Reconfiguration control method for a loop-type data network Grant 4,530,085 - Hamada , et al. July 16, 1 | 1985-07-16 |
| Data transmission system and method Grant 4,410,985 - Yasumoto , et al. October 18, 1 | 1983-10-18 |
| Rotary type optical switch Grant 4,401,365 - Mizokawa , et al. August 30, 1 | 1983-08-30 |
| Loop type data highway system for data transmission Grant 4,398,288 - Mizokawa , et al. August 9, 1 | 1983-08-09 |
| Loop type data highway system Grant 4,136,384 - Okada , et al. January 23, 1 | 1979-01-23 |
| Signal checking system Grant 3,944,975 - Yasumoto , et al. March 16, 1 | 1976-03-16 |
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