Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| JPS60175477A | Laser light amplifier | Hoya Corp | Expired / Lapsed | 1984-02-21 | — | 2004-02-21 | 0.0 yrs | 0 | |
| US5897487A | Front end hood for endoscope | Hoya Corp | Expired / Lapsed | 1998-04-14 | 1999-04-27 | 2018-04-14 | 0.0 yrs | 26 | |
| US5130996A | Solid-state laser device capable of generating a harmonic laser beam at a high conversion efficiency | Hoya Corp | Expired / Lapsed | 1990-11-30 | 1992-07-14 | 2010-11-30 | 0.0 yrs | 9 | |
| US4643982A | High-strength glass-ceramic containing anorthite crystals and process for producing the same | Hoya Corp | Expired / Lapsed | 1985-12-04 | 1987-02-17 | 2005-12-04 | 0.0 yrs | 8 |