This inventor holds 34 USPTO granted patents, plus 1 CIPO patent, primarily in Electro-Optic Technology. Top assignees: Nippon Telegraph and Telephone Corporation, Ando Electric Company, Ntt Docomo, Inc.. Active years: 1993-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Isehara, JP (1998)
- Kanagawa, JP (1993 - 2002)
- Sagamihara, JP (2001 - 2003)
- Tokyo, JP (2000 - 2004)
- Atsugi, JP (2009)
Company Filing History:
7 out of 5,300 
4 out of 389 
1 out of 4,935 
Years Active: 1993-2009
Areas of Expertise:
Title: **Tadao Nagatsuma: Innovator in Electromagnetic Measurement Technologies**
Introduction
Tadao Nagatsuma, hailing from Sagamihara, Japan, is a distinguished inventor known for his innovative contributions to the field of electromagnetic measurement systems. With an impressive portfolio of 34 patents, Nagatsuma continues to make a significant impact in his area of expertise.
Latest Patents
Among his recent inventions are noteworthy patents, including a **specific absorption rate measuring system** and a method thereof. This system utilizes a biological tissue equivalent phantom unit designed to evaluate the absorption of electromagnetic wave energy. The device incorporates multiple electro-optical crystals arranged at designated measurement points within the phantom, allowing for precise data collection relevant to biological tissue.
Another significant patent by Nagatsuma is the **electro-optic apparatus for measuring signal potentials**. This innovative apparatus enables high-precision measurement of voltage on conductor signals within coaxial cables. By employing an electro-optic material that reacts to the electric field's strength, it effectively measures voltage changes with facilitated accuracy. The system utilizes laser technology to assess variations in polarization, ultimately translating them into meaningful electric signals.
Career Highlights
Throughout his career, Tadao Nagatsuma has contributed to major advancements in electromagnetic technologies. He has worked with notable organizations, including Nippon Telegraph and Telephone Corporation, where he further developed his skills and innovative capabilities in his field.
Collaborations
Nagatsuma's success has been bolstered through collaborations with esteemed colleagues, such as Mitsuru Shinagawa and Junzo Yamada. These partnerships have allowed him to explore new avenues for research and development, driving forward the boundaries of innovation within electromagnetic measurement systems.
Conclusion
Tadao Nagatsuma stands out as a leading inventor, whose work continues to foster advancements in the field of electromagnetic measurements. With a wealth of patents to his name and a commitment to innovative research, Nagatsuma’s contributions are paving the way for future developments in this vital area of technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile