Yoshifuji; Yuuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yoshifuji; Yuuki.The latest application filed is for "optical ring system".
- Yoshifuji; Yuuki - Tokyo JP
| Patent | Date |
|---|---|
| Optical ring system Grant 6,771,907 - Yoshifuji , et al. August 3, 2 | 2004-08-03 |
| Digital cross-connect system Grant 5,631,902 - Yoshifuji May 20, 1 | 1997-05-20 |
| Network node cross-connection device using selectable memories for new connection in the event of failure Grant 5,592,467 - Takeuchi , et al. January 7, 1 | 1997-01-07 |
| Data updating system capable of partially recovering data Grant 5,586,247 - Yoshifuji , et al. December 17, 1 | 1996-12-17 |
| Cross-connecting module Grant 5,537,405 - Yoshifuji July 16, 1 | 1996-07-16 |
| Method for setting branch routes in a three-stage cross-connect switch system Grant 5,450,074 - Yoshifuji September 12, 1 | 1995-09-12 |
| Structure of an electronic device including a number of printed circuit boards Grant 5,289,340 - Yoshifuji February 22, 1 | 1994-02-22 |
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