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Company Filing History:
34 out of 45 
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10 out of 128 
Years Active: 1977-2005
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Title: Innovations and Contributions of Tihiro Ohkawa
Introduction: Tihiro Ohkawa, based in La Jolla, California, is an accomplished inventor with a remarkable portfolio of 87 patents. His work primarily focuses on advanced particle separation technologies, which have broad implications across various scientific and industrial applications.
Latest Patents: Among his latest inventions, Ohkawa developed two significant patents. The first, titled "Mass Separator with Controlled Input," describes a device designed to separate particles based on their mass. This device features a cylindrical chamber where a multi-species plasma with cold ions is introduced at one end, and a hollow cylinder is positioned at the other end. By establishing cross electric and magnetic fields within the chamber, the device efficiently directs high-mass ions onto specific trajectories for collection, while allowing low-mass ions to pass through.
The second patent, "Band Gap Mass Filter with Induced Azimuthal Electric Field," innovatively addresses the separation of particles with differing masses in a multi-species plasma. This invention utilizes coils to generate an axially aligned magnetic field and an antenna to create a sinusoidal electric field, which facilitates the separation process within the chamber. Unconfined orbits for specific particles are determined to ensure effective collection and separation.
Career Highlights: Ohkawa’s career spans several contributions to notable companies in the field of technology. He has worked with Archimedes Technology Group, Inc. and General Atomics, Inc., where he applied his expertise to develop groundbreaking innovations that address complex scientific challenges.
Collaborations: Throughout his career, Ohkawa collaborated with esteemed colleagues, including Robert L. Miller and Richard L. Freeman. These partnerships highlight the collaborative nature of research and innovation, contributing significantly to the advancement of technology in his area of expertise.
Conclusion: Tihiro Ohkawa's extensive work and patented inventions in particle separation technologies exemplify the impact of innovative thinking and collaboration in the field of science and engineering. His contributions continue to influence various industries, reinforcing the importance of research and development in fostering advancements that benefit society.
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