Oluma, Inc.
16Patents
0Active
16Granted
31Portfolio score
Filing activity: Feb 27, 2001 → Mar 5, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6490391B1 | Devices based on fibers engaged to substrates with grooves | Physics | 54 | Expired |
| US6571035B1 | Fiber optical switches based on optical evanescent coupling between two fibers | Physics | 51 | Expired |
| US6542663B1 | Coupling control in side-polished fiber devices | Physics | 50 | Expired |
| US6501875B2 | Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports | Physics | 48 | Expired |
| US6549713B1 | Stabilized and integrated fiber devices | Physics | 47 | Expired |
| US6556746B1 | Integrated fiber devices based on Mach-Zehnder interferometers and evanescent optical coupling | Physics | 45 | Expired |
| US6516114B2 | Integration of fibers on substrates fabricated with grooves | Physics | 44 | Expired |
| US6621951B1 | Thin film structures in devices with a fiber on a substrate | Physics | 42 | Expired |
| US6690857B2 | Fiber devices having side evanescent coupling port | Physics | 34 | Expired |
| US6621952B1 | In-fiber variable optical attenuators and modulators using index-changing liquid media | Physics | 31 | Expired |
| US6625349B2 | Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiber | Physics | 22 | Expired |
| US6744948B1 | Fiber tap monitor based on evanescent coupling | Physics | 13 | Expired |
| US6597833B1 | Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling | Physics | 11 | Expired |
| US6869347B2 | Fabrication of devices with fibers engaged to grooves on substrates | Physics | 5 | Expired |
| US6912343B1 | Adjustable fiber optical filters | Physics | 2 | Expired |
| US6719608B1 | Fabrication of devices with fibers engaged to grooves on substrates | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.