Inventor
John R. Haavisto
Inventor
Marshfield Hills, MA, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings29%
G02BOptical elements, systems or apparatus24%
C03CChemical composition of glasses, glazes or vitreous enamels18%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light18%
B82YSpecific uses or applications of nanostructures6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
5,872,877'Passive resonant optical microfabricated inertial sensor and method using same'19995,365,538'Slab waveguide pumped channel waveguide laser'19945,260,957'Quantum dot Laser'19935,196,041'Method of forming an optical channel waveguide by gettering'19935,194,079'Method of forming an optical channel waveguide by thermal diffusion'19935,178,658'Method for forming an optical waveguide by selective volatization'19935,018,811'Asymmetric optical waveguides for minimizing bending losses and techniques for fabricating same'19914,674,881'Open loop thin film laser gyro'19874,661,964'Resonant waveguide laser gyro with a switched source'19874,658,401'Thin film passive ring resonator laser gyro'19874,630,885'Multichannel optical wave guide resonator'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1991Patents assigned to NORTHROP CORP (5)· patent assignee history
1986–1991Based in Scituate, MA, US· patent location history
1993–1994Patents assigned to DRAPER LAB CHARLES S (5)· patent assignee history
1993–1999Based in Marshfield Hills, MA, US· patent location history
1999Patents assigned to INTELLISENSE CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DRAPER LAB CHARLES S | 5 | 1993–1994 |
| NORTHROP CORP | 5 | 1986–1991 |
| INTELLISENSE CORP | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marshfield Hills, Massachusetts, US | 6 | 1993–1999 |
| Scituate, Massachusetts, US | 5 | 1986–1991 |