This inventor holds 3 USPTO granted patents. Top assignee: Hamamatsu-Photonics K.k.. Active years: 1995-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1995-1996
Title: Takeo Hashimoto: Innovator in Photonics
Introduction
Takeo Hashimoto is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of photonics, particularly through his innovative patents. With a total of 3 patents, Hashimoto has demonstrated his expertise and creativity in developing advanced technologies.
Latest Patents
One of Hashimoto's latest patents is a photomultiplier that features high transmittance of incident light and excellent hysteresis characteristics. This invention includes a photocathode, dynodes, and an anode supported between insulating material substrates within a glass bulb. A transparent conductive film is formed on the inside wall surface of the light entrance portion, allowing incident light to reach the photocathode without interference, thereby improving transmittance. Additionally, the potential applied to the transparent conductive film enables rapid changes in the potential of the glass bulb's inside wall, minimizing hysteresis.
Another notable patent involves a cathode for photoelectric emission or secondary electron emission. This cathode comprises a thin film made from materials that emit photoelectrons or secondary electrons when exposed to incident light or electron input. The average particle size of the thin film's particles ranges from 200 nm to 2000 nm, optimizing the emission process. The invention also includes features such as activation by alkali metals and the incorporation of a high-reflectance layer to enhance efficiency.
Career Highlights
Hashimoto is associated with Hamamatsu Photonics K.K., a company renowned for its advancements in optical technologies. His work has significantly contributed to the company's reputation as a leader in the photonics industry.
Collaborations
Some of Hashimoto's notable coworkers include Kimitsugu Nakamura and Yasushi Watase. Their collaborative efforts have furthered the development of innovative technologies in the field.
Conclusion
Takeo Hashimoto's contributions to photonics through his patents exemplify his innovative spirit and technical expertise. His work continues to influence advancements in optical technologies, making a lasting impact in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile