Location History:
- Espoo, FI (1985 - 1991)
- Vessy, CH (1991 - 1992)
- Holden, MA (US) (1993 - 2019)
Company Filing History:
10 out of 61 
4 out of 5 
2 out of 226 Years Active: 1985-2019
Title: **Hannu Harjunmaa: Innovator in Measurement Technologies**
Introduction
Hannu Harjunmaa is an accomplished inventor based in Holden, Massachusetts, known for his significant contributions to measurement technologies. With a remarkable portfolio of 22 patents, Harjunmaa has made strides in the fields of turbidity measurement and noninvasive analyte concentration estimation.
Latest Patents
Among his latest innovations, the nephelometer stands out as a pivotal invention. This device determines the turbidity of a fluid body by directing a light beam at an angle through the sample. Two light detectors then measure the intensity of light scatter at distinct points in the beam. The divided and scaled measurements are logarithmically amplified, providing a clear display of the turbidity.
Another remarkable patent is the noninvasive method for estimating the concentration of target analytes in samples. This method involves generating various radiation types and directing them at a sample containing the target analyte. By modulating the sample thickness, the method achieves time-wise or spatial variations in analyte concentration. Data is processed to estimate the target analyte concentration based on a balanced combination of measured data.
Career Highlights
Hannu Harjunmaa's career includes vital roles at notable companies such as Labsystems Oy and Vivascan Corporation. His work has greatly impacted the development of technologies that enhance measurement precision in various applications.
Collaborations
Throughout his career, Harjunmaa has collaborated with esteemed colleagues, including Yitzhak Mendelson and Yi Wang. These partnerships have facilitated significant advancements in measurement methodologies and technologies.
Conclusion
Hannu Harjunmaa's innovative spirit and expert knowledge in measurement technologies have led to valuable patents that continue to influence various scientific fields. His contributions reflect a commitment to advancing the science of measurement, positioning him as a notable figure in the industry.